Baby Boy Names That Start With O
Browse 135 baby boy names that start with O, with meanings and origins from the audited name pool. This page is the gender-specific companion to the broad O baby-name list, so it stays focused on boy names rather than mixing in every possible starting-letter match.
Browse Baby Boy Names Beginning With O
This page narrows the O list to baby boy names with meanings and origins. For a fresh batch, open the boy name generator preset for O. You can also compare the broader baby names that start with O, switch to baby girl names that start with O, or move to baby boy names that start with N and baby boy names that start with P.
Baby Boy Names That Start With O List
135 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
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.
#52
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.
#53
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.
#54
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.
#55
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.
#56
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.
#57
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.
#58
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.
#59
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.
#60
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.
#61
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.
#62
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.
#63
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.
#64
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.
#65
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.
#66
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.
#67
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.
#68
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.
#69
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.
#70
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.
#71
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.
#72
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.
#73
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.
#74
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.
#75
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.
#76
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.
#77
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.
#78
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.
#79
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.
#80
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.
#81
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.
#82
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.
#83
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.
#84
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.
#85
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.
#86
Omega
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.
#87
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.
#88
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.
#89
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.
#90
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.
#91
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.
#92
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.
#93
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.
#94
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.
#95
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.
#96
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.
#97
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.
#98
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.
#99
Oluwademilade
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.
#100
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.
#101
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.
#102
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.
#103
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.
#104
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.
#105
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.
#106
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.
#107
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.
#108
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.
#109
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.
#110
Oluwadarasimi
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.
#111
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.
#112
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.
#113
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.
#114
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.
#115
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.
#116
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.
#117
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.
#118
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.
#119
Olivia
Meaning: Olive tree
Origin: Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#120
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.
#121
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.
#122
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.
#123
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.
#124
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.
#125
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.
#126
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.
#127
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.
#128
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.
#129
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.
#130
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.
#131
Octavianus
Meaning: Eighth
Origin: Latin
Note: Boy name beginning with O. Selected from the audited baby-name pool with meaning, origin, and gender metadata.
#132
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.
#133
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.
#134
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.
#135
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 focused page currently includes 135 baby boy names beginning with O. For a wider comparison, browse the full baby names that start with O list.
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 boy 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.
Boy names
- 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.
Distinctive
Less expected choices that may suit parents looking beyond the most familiar shortlist.
Examples: Onyx, Oden, Owyn, Oakland, Oak, Osias, Oaklen, Ousmane.
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 Male Name GeneratorRelated Name Lists
Adjacent launch lists in the same topical cluster.