Baby Names That Start With O
Browse 250 baby names that start with O, with meanings, origins, and gender notes. This broad letter list keeps the intent focused on baby-name discovery rather than a narrow culture filter, so it includes girl, boy, and unisex options from the audited name pool.
Browse Baby Names Beginning With O
This page keeps the broad baby-name intent together: girl names, boy names, unisex names, meanings, and origins that start with O. For a fresh shortlist, open the baby name generator preset for O, or narrow the list to baby girl names that start with O and baby boy names that start with O. You can also move to baby names that start with N or baby names that start with P.
Baby Names That Start With O List
250 curated ideas with quick meanings or usage notes.
#1
Oliver
Meaning: Olive tree
Origin: Latin / French
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#2
Oscar
Meaning: Divine spear
Origin: Gaelic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#3
Oakley
Meaning: Oak clearing
Origin: English
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#4
Otis
Meaning: Wealth
Origin: Germanic / English
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#5
Ollie
Meaning: Olive tree or ancestor descendant
Origin: English / Latin / Norse
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#6
Otto
Meaning: Wealth or fortune
Origin: Germanic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#7
Owen
Meaning: Well-born or young warrior
Origin: Welsh
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#8
Omar
Meaning: Flourishing, long-lived
Origin: Arabic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#9
Ozzy
Meaning: Divine power or spear of the gods
Origin: English / Germanic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#10
Osian
Meaning: Little deer
Origin: Welsh
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#11
Oskar
Meaning: God spear or deer friend
Origin: Scandinavian
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#12
Orson
Meaning: Bear cub
Origin: English / Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#13
Orhan
Meaning: Great leader or khan
Origin: Turkish
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#14
Orion
Meaning: Rising in the sky
Origin: Greek
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#15
Odin
Meaning: Inspiration, fury
Origin: Norse
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#16
Orlando
Meaning: Famous throughout the land
Origin: Italian / Germanic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#17
Osman
Meaning: Young bustard bird or Ottoman form of Uthman
Origin: Turkish / Arabic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#18
Omer
Meaning: Sheaf of grain
Origin: Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#19
Olly
Meaning: Olive tree or ancestor descendant
Origin: English / Latin / Norse
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#20
Oisin
Meaning: Little deer
Origin: Irish
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#21
Ovie
Meaning: King or noble title
Origin: Urhobo / Nigerian
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#22
Ozzie
Meaning: Divine power or spear of the gods
Origin: English / Germanic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#23
Omari
Meaning: Flourishing or God is highest
Origin: Swahili / Arabic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#24
Ocean
Meaning: Ocean, sea
Origin: English word name
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#25
Obie
Meaning: Servant of God or heart
Origin: Hebrew / Igbo / English
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#26
Oliwier
Meaning: Olive tree
Origin: Polish / Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#27
Olivier
Meaning: Olive tree
Origin: French
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#28
Obi
Meaning: Heart or belt
Origin: Igbo / Japanese
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#29
Odhran
Meaning: Little pale green one
Origin: Irish Gaelic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#30
Onyx
Meaning: Black gemstone
Origin: Greek
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#31
Oswald
Meaning: Divine power
Origin: Old English
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#32
Owais
Meaning: Little wolf
Origin: Arabic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#33
Oakley-James
Meaning: Oak clearing and James compound name
Origin: English / Hebrew compound
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#34
Oran
Meaning: Little pale green one or light
Origin: Irish / Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#35
Oren
Meaning: Pine tree
Origin: Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#36
Orin
Meaning: Pale green one or pine tree
Origin: Irish / Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#37
Othniel
Meaning: God is my strength
Origin: Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#38
Owain
Meaning: Youth or well-born
Origin: Welsh
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#39
Oaklee
Meaning: Oak clearing
Origin: Modern English
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#40
Ozias
Meaning: Strength from God
Origin: Greek / Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#41
Opie
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#42
Oslo
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#43
Obaloluwa
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#44
Olamide
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#45
Oleksandr
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#46
Ozan
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#47
Ozil
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#48
Obrempong
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#49
Oliver-James
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#50
Oluwadunsin
Meaning: Popular England and Wales given name
Origin: English usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#51
Olivia
Meaning: Olive tree
Origin: Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#52
Olive
Meaning: Olive tree
Origin: Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#53
Orla
Meaning: Golden princess
Origin: Irish
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#54
Ottilie
Meaning: Prosperous in battle
Origin: Germanic
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#55
Ophelia
Meaning: Help, benefit
Origin: Greek
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#56
Octavia
Meaning: Eighth
Origin: Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#57
Opal
Meaning: Gemstone
Origin: Sanskrit
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#58
Orlaith
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#59
Oliwia
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#60
Olivia-Rose
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#61
Oluwadarasimi
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#62
Odette
Meaning: Wealth or fortune
Origin: French
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#63
Oriana
Meaning: Dawn or golden
Origin: Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#64
Ottie
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#65
Orlagh
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#66
Oona
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#67
Olympia
Meaning: From Mount Olympus
Origin: Greek
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#68
Olivia-Mae
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#69
Ohemaa
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#70
Ophelia-Rose
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#71
Ottillie
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#72
Olaedo
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#73
Ola
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#74
Oakleigh
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#75
Olwen
Meaning: White footprint
Origin: Welsh
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#76
Otilia
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#77
Oluwashindara
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#78
Oceana
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#79
Ocie
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#80
Olanna
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#81
Oonagh
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#82
Olivia-May
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#83
Oluwanifemi
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#84
Onyinyechi
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#85
Oluwatamilore
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#86
Ona
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#87
Ottilia
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#88
Olivia-Grace
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#89
Oluwadamilola
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#90
Oluwalonimi
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#91
Ohana
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#92
Oluwademilade
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#93
Oreoluwa
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#94
Orla-Rose
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#95
Olimpia
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#96
Oluwafifehanmi
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#97
Oluwatise
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#98
Orla-Rae
Meaning: Popular England and Wales given name
Origin: English usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#99
Osvaldo
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#100
Octavio
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#101
Oswaldo
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#102
Omarion
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#103
Obed
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#104
Osbaldo
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#105
Octavius
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#106
Osiel
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#107
Osmar
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#108
Orrin
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#109
Olin
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#110
Om
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#111
Oziel
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#112
Osiris
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#113
Octavious
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#114
Obadiah
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#115
Odell
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#116
Ori
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#117
Octavian
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#118
Oryan
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#119
Otoniel
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#120
Osama
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#121
Olen
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#122
Oshea
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#123
Obinna
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#124
Orville
Meaning: Popular U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#125
Olga
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#126
Odalys
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#127
Odalis
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#128
Ofelia
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#129
Olyvia
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#130
Odessa
Meaning: Long journey or from Odessa
Origin: Greek / place name
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#131
Orianna
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#132
Oralia
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#133
Oliva
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#134
Ora
Meaning: Light or prayer
Origin: Hebrew / Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#135
Oksana
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#136
October
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#137
Oliviah
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#138
Orly
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#139
Olivea
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#140
Ondrea
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#141
Odyssey
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#142
Odelia
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#143
Omega
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#144
Oumou
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#145
Onika
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#146
Oneida
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#147
Onna
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#148
Omayra
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#149
Oceanna
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#150
Oaklyn
Meaning: Popular U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#151
On-yu
Meaning: gentleness or warmth in Korean word usage, or Hanja-based readings depending on spelling
Origin: Korean
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#152
Oanh
Meaning: Oriole bird
Origin: Vietnamese
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#153
Orathai
Meaning: beautiful heart
Origin: Thai
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#154
Oden
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#155
Owyn
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#156
Oakland
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#157
Oak
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#158
Osias
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#159
Oaklen
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#160
Ousmane
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#161
Omri
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#162
Olyver
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#163
Omere
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#164
Oz
Meaning: Strength or courage
Origin: Hebrew
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#165
Odyn
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#166
Ousman
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#167
Odysseus
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#168
Oumar
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#169
Olliver
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#170
Oziah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#171
Ojas
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#172
Ostin
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#173
Ole
Meaning: Ancestor relic
Origin: Scandinavian
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#174
Oluwatobi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#175
Olan
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#176
Olsen
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#177
Oluwatobiloba
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#178
Othman
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#179
Orlin
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#180
Oswin
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#181
Orian
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#182
Omid
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#183
Olaoluwa
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#184
Omran
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#185
Osinachi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#186
Olvin
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#187
Oseas
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#188
Olson
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#189
Osborn
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#190
Oakes
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#191
Obama
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#192
Oluwasemilore
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#193
Osiah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#194
Oneil
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#195
Obrian
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#196
Oluwaseun
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#197
Oluwaseyi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#198
Osmond
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#199
Owynn
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#200
Oaklynn
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#201
Oaklie
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#202
Oliviana
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#203
Onalee
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#204
Olivianna
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#205
Orli
Meaning: My light
Origin: Hebrew
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#206
Oliviagrace
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#207
Oliviarose
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#208
Oriyah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#209
Olina
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#210
Olena
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#211
Oluwatoni
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#212
Ondine
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#213
Olivya
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#214
Oriah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#215
Onesty
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#216
Olyviah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#217
Odilia
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#218
Onora
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#219
Omotara
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#220
Oceane
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#221
Oyinkansola
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#222
Onnika
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#223
Oluwatofunmi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#224
Olivine
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#225
Oluwatishe
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#226
Omni
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#227
Onica
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#228
Oasis
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#229
Oni
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#230
Oliana
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#231
Oluwabukunmi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#232
Oluwafikayomi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#233
Oluchi
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#234
Omara
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#235
Orchid
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#236
Ohanna
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#237
Omnia
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#238
Oniyah
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#239
Oceania
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#240
Onyinye
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#241
Oaklei
Meaning: Distinctive U.S. given name
Origin: American usage
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#242
Olaf
Meaning: Ancestor relic
Origin: Germanic
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#243
Orestes
Meaning: Mountain dweller
Origin: Greek
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#244
Orpheus
Meaning: Darkness of night or myth name
Origin: Greek
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#245
Octavianus
Meaning: Eighth
Origin: Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#246
Otho
Meaning: Roman cognomen of uncertain meaning
Origin: Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#247
Ovidia
Meaning: Of the Ovidius family
Origin: Latin
Note: Girl name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#248
Ovidius
Meaning: Sheep or of the Ovidius family
Origin: Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#249
Odd
Meaning: Point of a blade
Origin: Scandinavian
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#250
Olav
Meaning: Ancestor relic
Origin: Scandinavian
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
How To Use This O Baby Names List
Use the list above as a research set, then narrow it by sound, meaning, origin, and how the name pairs with the family name. The generator preset is useful for quick discovery, while this page is better for comparing a larger fixed set of O names.
Gender Mix
This page currently includes 119 girl names, 131 boy names, and 0 unisex names beginning with O.
For a tighter shortlist, compare baby girl names that start with O and baby boy names that start with O.
Sound And Flow
Say each name with the surname and listen for repeated sounds, awkward initials, and rhythm. Short O names can feel direct, while longer names may offer more nickname options.
Generate More
For a fresh shortlist using the same starting letter, open the baby name generator preset for O, then save the names worth comparing.
Popular O Baby Names In U.S. SSA 2025 Data
These are the highest-count O names in the U.S. SSA 2025 baby-name data. Treat this as a U.S. popularity signal, then use the full list above for meanings, origins, and a wider mix of styles.
Girl names
View list- Olivia rank #1 - 13,544 births
- Oaklynn rank #153 - 1,964 births
- Oakley rank #156 - 1,933 births
- Olive rank #197 - 1,597 births
- Ophelia rank #264 - 1,183 births
Boy names
View list- Oliver rank #3 - 14,939 births
- Owen rank #31 - 7,190 births
- Oscar rank #223 - 1,620 births
- Omar rank #260 - 1,333 births
- Otto rank #277 - 1,241 births
Source: U.S. Social Security Administration national baby name data, 2025. SSA public files include names with at least five births in a year; non-name records are excluded from this editorial summary.
Useful Styles In This List
Popular and familiar
Recognisable names that are useful when you want the shortlist to feel familiar rather than experimental.
Examples: Oliver, Oscar, Oakley, Otis, Ollie, Otto, Owen, Omar.
Classic
Longer-lasting names that tend to work beyond one naming trend or birth year.
Examples: Oliver, Oscar, Otis, Ollie, Otto, Ozzy, Oskar, Orson.
Modern
Contemporary-feeling names, shorter forms, and names that fit current baby-name browsing habits.
Examples: Omer, Omari, Ocean, Oren, Oaklee, Osvaldo, Octavio, Oswaldo.
Nature
Names connected with plants, seasons, sky, water, animals, landscape, or natural imagery.
Examples: Oliver, Oakley, Osian, Orson, Orion, Omer, Oisin, Ocean.
Spiritual and meaning-led
Names where meaning, faith tradition, virtue, or symbolic use may matter more than sound alone.
Examples: Omari, Othniel, Ozias, Ora.
Distinctive
Less expected choices that may suit parents looking beyond the most familiar shortlist.
Examples: Onyx, Odessa, Oden, Owyn, Oakland, Oak, Osias, Oaklen.
How To Use This List
Use the entries as a starting point for characters, projects, profiles, quizzes, team names, stories, or naming research. The short explanations help the joke land without turning the page into a dictionary.
If you need a fresh set of ideas after browsing, the related generator can create more names you can copy, save, or refine with filters.
Generate more
Want more ideas like these?
Browse the list first, then use the related generator when you want a fresh batch to compare, copy, or save. For broader discovery, start with the main name generator and then narrow the results with a focused list like this one.
Open Baby Name GeneratorRelated Name Lists
Adjacent launch lists in the same topical cluster.