An O name can feel open and bright at once. It can sound warm without sounding soft. First, try it with your surname. Then, think about what it means to you.
This list brings together 325 boy names starting with O. Each name includes a short meaning and origin. Also, the list covers popular, classic, unique, short, long, cute, and strong styles. For example, you can start with the familiar names. Then, you can look at the rare names for fresh ideas.
If you liked the earlier lists, you may also enjoy boy names starting with A, B, C, D, E, F, G, H, I, J, K, L, M, and N. Those lists follow the same style. However, this O list is written fresh for O names. It sits in the Baby Boys Names collection. Finally, use the nickname and pairing sections to test each favourite in real life.
Popular Boy Names Starting With O
Popular O names feel familiar and easy to say. They work well in class and at work. Also, many of them have short nicknames. For example, a long name can still feel friendly. Finally, pick the one that sounds best with your surname.
Oliver – Olive tree (Latin);
Owen – Young warrior (Welsh);
Oscar – Divine spear (Irish);
Otto – Wealthy (German);
Otis – Wealthy (German);
Odin – God of wisdom (Norse);
Orlando – Famous land (Italian);
Oakley – Oak meadow (English);
Onyx – Black gem (Greek);
Orion – Hunter (Greek);
Osian – Little deer (Welsh);
Oswald – Divine power (English);
Othello – Wealthy (Italian);
Olen – Holly (English);
Olin – Holly (English);
Oren – Pine tree (Hebrew);
Orville – Gold town (French);
Orson – Bear cub (Latin);
Osborn – Divine bear (English);
Oswin – Divine friend (English)
Classic Boy Names Starting With O
Classic O names have stood the test of time. They feel steady and dignified. Also, they often come from old stories and families. For example, a classic name can honour a grandparent. Finally, check the meaning before you decide.
Odo – Wealthy (German);
Odilon – Wealthy (French);
Olaf – Ancestor (Norse);
Oleg – Holy (Russian);
Osbert – Divine bright (English);
Octavius – Eighth (Latin);
Octavian – Eighth (Latin);
Odell – Valley of the oak (English);
Ogden – Oak valley (English);
Ogilvie – High peak (Scottish);
Oldham – Old homestead (English);
Onslow – Enthusiastic (English);
Orford – Ford by the shore (English);
Osmond – Divine protection (English);
Oswell – Divine spring (English);
Otway – Son of Ota (English);
Overton – Upper town (English);
Owsley – Wolf meadow (English);
Oxley – Ox meadow (English);
Oxton – Ox town (English)
Unique Boy Names Starting With O
Unique O names stand out without sounding strange. They can feel creative and bold. Also, they give a boy a distinct identity. For example, a rare name can still be easy to spell. Finally, say it aloud a few times first.
Obadiah – Servant of God (Hebrew);
Obed – Servant (Hebrew);
Oberon – Noble bear (German);
Ocean – Ocean (Greek);
Octave – Eighth (French);
Odhran – Pale (Irish);
Odysseus – Wrathful (Greek);
Oisin – Little deer (Irish);
Omri – Sheaf (Hebrew);
Onan – Strength (Hebrew);
Ondrej – Manly (Czech);
Onofre – Peaceful (Spanish);
Oran – Light (Irish);
Orfeo – Orpheus (Italian);
Orlin – Eagle (Bulgarian);
Ormond – Bear mountain (Irish);
Orval – Golden valley (French);
Osgood – Divine spear (English);
Osias – Salvation (Greek);
Osmar – Divine glory (German);
Osvaldo – Divine power (Spanish);
Otieno – Born at night (Kenyan);
Otilio – Wealthy (Spanish);
Ottavio – Eighth (Italian);
Ottmar – Wealthy fame (German);
Ovid – Sheep (Latin);
Obert – Bright nobility (German);
Obi – Heart (Igbo);
Obinna – Father’s heart (Igbo);
Ochieng – Born when the sun shines (Kenyan);
Ofir – Gold (Hebrew);
Ogun – God of iron (Yoruba);
Okafor – Born on market day (Igbo);
Okon – Born at night (Nigerian);
Okoro – Man (Igbo);
Oladele – Wealth has come home (Yoruba);
Olamide – Wealth has arrived (Yoruba)
Short Boy Names Starting With O
Short O names are quick and punchy. They are easy to call out. Also, they pair well with long surnames. For example, a short first name can balance a long surname. Finally, test the full name together.
Ode – Song (Greek);
Odie – Wealthy (English);
Oka – Hill (Japanese);
Ola – Ancestor (Norwegian);
Ole – Ancestor (Danish);
Olek – Defender (Polish);
Ollie – Olive tree (English);
Oluf – Ancestor (Danish);
Onni – Happiness (Finnish);
Ono – Field (Japanese);
Orrin – River (English);
Orry – Ruler (Manx);
Orso – Bear (Italian);
Osa – Deer (Spanish);
Osei – Noble (Akan);
Osha – Happiness (Hebrew);
Oshi – Messenger (Japanese);
Osie – Divine spear (English);
Ossie – Divine spear (English);
Oury – Light (French);
Ove – Ancestor (Danish);
Ovi – Shepherd (Romanian);
Owa – Born on market day (Yoruba);
Owney – Young warrior (Irish);
Oz – Strength (Hebrew);
Ozzie – Divine spear (English);
Ozzy – Divine spear (English);
Oda – Wealthy (German);
Odai – Wealthy (German);
Odon – Wealthy (Hungarian);
Ofer – Young deer (Hebrew);
Ofek – Horizon (Hebrew);
Oggi – Fear (Italian);
Ohana – Family (Hawaiian);
Ohan – Grace (Armenian);
Ohev – Lover (Hebrew);
Ohi – Good (Japanese);
Ohya – Valley (Japanese);
Oji – Second son (Igbo);
Oke – Hill (Yoruba)
Long Boy Names Starting With O
Long O names feel grand and formal. They often have elegant nicknames too. Also, they can suit a longer surname. For example, use a short middle name to balance the length. Finally, check that the initials still look good.
Oberlin – Mountain (German);
Ockham – Oak homestead (English);
Odoacer – Wealthy spear (German);
Oliviero – Olive tree (Italian);
Olivier – Olive tree (French);
Olympio – From Olympus (Greek);
Onofrio – Peaceful (Italian);
Oratio – Prayer (Latin);
Orban – City dweller (Hungarian);
Orestes – Mountain dweller (Greek);
Orlandus – Famous land (Latin);
Orsino – Little bear (Italian);
Osborne – Divine bear (English);
Osmund – Divine protection (English);
Osric – Divine ruler (English);
Osvald – Divine power (Danish);
Othmar – Wealthy fame (German);
Oakhurst – Oak wood (English);
Oakland – Oak land (English);
Oakleigh – Oak meadow (English);
Oakmont – Oak mountain (English);
Oaksdale – Oak valley (English);
Oatfield – Oat field (English);
Oberg – Mountain (Swedish);
Odelbert – Noble bright (German);
Oderic – Wealthy ruler (German);
Ognjen – Fiery (Serbian);
Okechukwu – God’s portion (Igbo);
Okonkwo – Born on Nkwo day (Igbo);
Olanrewaju – Wealth moves forward (Yoruba);
Olasunkanmi – Wealth falls on me (Yoruba);
Olufemi – God loves me (Yoruba);
Olumide – God has arrived (Yoruba);
Olusegun – God is victorious (Yoruba);
Omololu – Child is precious (Yoruba);
Onwubiko – Death is not feared (Igbo);
Onyema – Who knows (Igbo);
Onyemachi – Who knows God’s plan (Igbo);
Opoku – Born on Wednesday (Akan);
Orabin – Golden (Latin);
Ottokar – Wealthy spear (German);
Ostrander – Ostrich (German)
Cute Boy Names Starting With O
Cute O names feel warm and playful. They suit a baby and a young child. Also, many of them grow well with age. For example, a cute nickname can sit beside a formal full name. Finally, pick a name you will still love in ten years.
Obbie – Servant of God (English);
Obby – Servant of God (English);
Ochy – Ocean (English);
Ocky – Oak meadow (English);
Oggie – Oak valley (English);
Okee – Oak meadow (English);
Okie – Oak meadow (English);
Olie – Olive tree (English);
Olls – Olive tree (English);
Olo – Ancestor (Danish);
Olly – Olive tree (English);
Omi – Ocean (Japanese);
Ommie – Ocean (English);
Onnie – Happiness (Finnish);
Onny – Happiness (Finnish);
Oob – Bear cub (English);
Oodles – Plenty (English);
Oopie – Ocean (English);
Ootie – Wealthy (English);
Oppy – Happiness (English);
Orbie – Bear cub (English);
Osee – Divine spear (English);
Oshie – Happiness (English);
Otty – Wealthy (English);
Ozz – Strength (English);
Ollin – Holly (English)
Strong Boy Names Starting With O
Strong O names sound firm and brave. They often mean warrior, king, or bear. Also, they carry a clear sense of power. For example, a strong name can still sound kind. Finally, balance strength with a soft middle name.
Oakes – Oak (English);
Oakden – Oak valley (English);
Oberto – Bright nobility (Italian);
Oceano – Ocean (Spanish);
Ogier – Spear (French);
Olmos – Elm (Spanish);
Olney – Island (English);
Olric – Ruler (German);
Olsen – Son of Ole (Danish);
Olsson – Son of Ole (Swedish);
Olton – Old town (English);
Ombre – Shadow (French);
Omero – Homer (Italian);
Oneal – Champion (Irish);
Onesime – Useful (Greek);
Onufry – Peaceful (Polish);
Orby – Fort (English);
Orel – Eagle (Russian);
Orin – River (Irish);
Orpheus – Darkness (Greek);
Orr – Spear (Scottish);
Orton – Shore town (English);
Orvin – Friend of the spear (English);
Orwell – Spring (English);
Osiris – God (Egyptian);
Osten – East (Danish);
Oswulf – Divine wolf (English);
Otho – Wealthy (German);
Otniel – Lion of God (Hebrew);
Oudin – Wealthy (French)
How to Choose the Right O Name
First, say the full name aloud. It should flow well. Also, check the initials. They should not spell an odd word. For example, test the name with your surname and middle name.
Second, think about nicknames. A boy may use a short form at school. Also, ask family how the name sounds to them. However, the final choice stays with the parents. Therefore, trust your own instinct too.
Finally, look at the meaning. A good meaning can add pride. Also, a simple spelling can save years of corrections. Similarly, a name that is easy to say can help a child feel confident.
Middle Name Pairings for O Names
A middle name can soften a strong first name. It can also add rhythm. For example, try these pairings and say each one aloud.
Oliver James;
Owen Cole;
Oscar Alexander;
Otto Henry;
Otis Thomas;
Odin Owen;
Orlando William;
Oakley Samuel;
Onyx Luke;
Orion Adam;
Osian John;
Oswald Michael;
Othello Ryan;
Olen Paul;
Olin Cole
Sibling Name Ideas That Go With O Names
Sibling names should sound good together. They should not sound too alike. Also, keep the styles in balance. For example, pair a classic O name with a classic sibling name.
Oliver and Charlotte;
Owen and Amelia;
Oscar and Sophia;
Otto and Emily;
Otis and Hannah;
Odin and Grace;
Orlando and Lily;
Oakley and Nora;
Onyx and Ivy;
Orion and Ruby;
Osian and Ella;
Oswald and Mia;
Othello and Claire;
Olen and June;
Olin and Alice
Quick Nickname Guide for O Names
Nicknames can make a long name feel friendly. They can also give a boy choice. For example, he may use a formal name at work. Then, he may use a short name with friends.
Oliver – Ollie;
Owen – Owney;
Oscar – Ozzie;
Otto – Otis;
Otis – Otty;
Odin – Odie;
Orlando – Orlie;
Oakley – Oak;
Onyx – Nyx;
Orion – Rion;
Osian – Ossie;
Oswald – Ozzie;
Othello – Otty;
Olen – Ollie;
Olin – Ollie
Discover Even More: 110 Additional Outstanding, Original and Optimistic Boy Names Starting With O
This boxed section adds 110 more O names. It takes the full list to 325 names in total. Also, the names are grouped in sets. For example, you can scan one group at a time. Finally, all 110 names keep the same order and numbering.
Additional Names 1-25
1. Odoardo – Wealthy guardian (Italian);
2. Odolfo – Wealthy wolf (German);
3. Odwin – Wealthy friend (German);
4. Obaloluwa – God is king (Yoruba);
5. Obasi – God (Igbo);
6. Obioma – Good heart (Igbo);
7. Obiora – Heart of the people (Igbo);
8. Obong – King (Efik);
9. Ochuko – God’s gift (Urhobo);
10. Odafe – Wealthy (Urhobo);
11. Okechi – God’s portion (Igbo);
12. Okeke – Born on Eke day (Igbo);
13. Okorie – Born on Orie day (Igbo);
14. Okpara – First son (Igbo);
15. Okwudili – God’s will (Igbo);
16. Olabode – Wealth returns (Yoruba);
17. Olabisi – Joy multiplied (Yoruba);
18. Oladipo – Wealth becomes many (Yoruba);
19. Olafare – Wealth is success (Yoruba);
20. Olagoke – Wealth ascends (Yoruba);
21. Olaiya – Wealth is honour (Yoruba);
22. Olajide – Wealth has come (Yoruba);
23. Olakunle – Wealth fills the home (Yoruba);
24. Olaniyan – Wealth has honour (Yoruba);
25. Olatunde – Wealth returns (Yoruba)
More Boy Names 26-50
26. Olatunji – Wealth awakens (Yoruba);
27. Olawale – Wealth has come home (Yoruba);
28. Olayemi – Wealth befits me (Yoruba);
29. Olayinka – Wealth surrounds me (Yoruba);
30. Olugbenga – God lifts me (Yoruba);
31. Olujimi – God gave me (Yoruba);
32. Olumuyiwa – God brought this (Yoruba);
33. Olushola – God makes wealth (Yoruba);
34. Olutayo – Joy has come (Yoruba);
35. Oluwaseun – We thank God (Yoruba);
36. Oluwatoyin – God is worthy of praise (Yoruba);
37. Oluwayemisi – God honours me (Yoruba);
38. Onwuka – Death is great (Igbo);
39. Onyeka – Who is greater than God (Igbo);
40. Onyekachi – Who is greater than God (Igbo);
41. Onyenachi – God’s gift (Igbo);
42. Onyinye – Gift (Igbo);
43. Onyinyechi – Gift of God (Igbo);
44. Opara – First son (Igbo);
45. Orazio – Prayer (Italian);
46. Orn – Eagle (Icelandic);
47. Orrick – Oak (English);
48. Orwin – Friend of the boar (English);
49. Ortensio – Gardener (Italian);
50. Ortwin – Wealthy friend (German)
More Boy Names 51-75
51. Osamu – Disciplined (Japanese);
52. Osby – Divine settlement (English);
53. Oseas – Salvation (Spanish);
54. Oshere – Divine army (English);
55. Osiel – Strength of God (Spanish);
56. Osip – God will increase (Russian);
57. Oslo – Meadow (Norwegian);
58. Ostin – August (English);
59. Ota – Wealthy (German);
60. Otfried – Wealthy peace (German);
61. Ottone – Wealthy (Italian);
62. Oved – Servant (Hebrew);
63. Oxen – Ox (English);
64. Oxford – Ford of oxen (English);
65. Oyin – Honey (Yoruba);
66. Oyinade – Honey has come (Yoruba);
67. Oyindamola – Honey mixed with wealth (Yoruba);
68. Oyinkan – Honey (Yoruba);
69. Oyinkansola – Honey drops into wealth (Yoruba);
70. Oystein – Stone island (Norse);
71. Ozias – Salvation (Greek);
72. Oziel – Strength of God (Hebrew);
73. Oconor – Champion (Irish);
74. Ogbonna – Father’s child (Igbo);
75. Odelin – Noble (German)
Final O Names 76-110
76. Odomar – Wealthy fame (German);
77. Offord – Upper ford (English);
78. Oladapo – Wealth has come together (Yoruba);
79. Oladotun – Wealth is sweet (Yoruba);
80. Olaedo – Gold (Igbo);
81. Olaide – Wealth has arrived (Yoruba);
82. Olaitan – Wealth is not finished (Yoruba);
83. Olalekan – Wealth increases (Yoruba);
84. Olaleye – Wealth is honour (Yoruba);
85. Olamilekan – Wealth increases (Yoruba);
86. Olaniyi – Wealth has honour (Yoruba);
87. Olaseni – Wealth is great (Yoruba);
88. Olatayo – Joy has come (Yoruba);
89. Olatubosun – Wealth is plenty (Yoruba);
90. Olayiwola – Wealth is honour (Yoruba);
91. Olufade – God is crowned (Yoruba);
92. Oluseyi – God made this (Yoruba);
93. Olusola – God makes wealth (Yoruba);
94. Olutola – Wealth is enough (Yoruba);
95. Oluwadamilare – God has vindicated me (Yoruba);
96. Oluwadamilola – God has blessed me with wealth (Yoruba);
97. Oluwafemi – God loves me (Yoruba);
98. Oluwafunmilayo – God gave me joy (Yoruba);
99. Oluwakayode – God brought joy (Yoruba);
100. Oluwanisola – God creates wealth (Yoruba);
101. Oluwaseyi – God made this (Yoruba);
102. Oluwashola – God makes wealth (Yoruba);
103. Oluwatobi – God is great (Yoruba);
104. Oluwatomi – God is enough for me (Yoruba);
105. Oluwatoyosi – God is worthy of praise (Yoruba);
106. Oluwayomi – God saved me (Yoruba);
107. Oluwayimika – God surrounds me (Yoruba);
108. Oluwabukola – God added wealth (Yoruba);
109. Oluwabusola – God added wealth (Yoruba);
110. Oluwadara – God is good (Yoruba)
Conclusion
An O name can be outstanding, original, or optimistic. It can also be classic, short, or strong. First, shortlist three or four favourites. Then, test each one with your surname.
Also, think about sound, meaning, and nicknames together. For example, a name that feels warm at home may also work well at school. However, do not rush the final choice. Therefore, take a few days to live with each name.
Finally, pick the name that feels right for your boy. It should sound good today. Similarly, it should still feel right when he grows up. That simple test often points to the best choice.
If you liked this list, also explore boy names starting with A, B, C, D, E, F, G, H, I, J, K, L, M, and N in the Baby Boys Names collection.
