| Name | M/F | Meaning |
|---|---|---|
| O-son | ![]() |
Meaning : Used in : Japanese |
| O'brian | ![]() |
Meaning : Surname. Used in : Irish |
| O'brien | ![]() |
Meaning : Surname. Used in : Irish |
| O'rion | ![]() |
Meaning : Strength Used in : Australian |
| Oakden | ![]() |
Meaning : From The Oak Tree Valley Used in : American, British, English |
| Oaklin | ![]() |
Meaning : Used in : Australian |
| Oan | ![]() |
Meaning : Used in : Australian |
| Oanenn | ![]() |
Meaning : Used in : French |
| Obaldin | ![]() |
Meaning : Used in : French |
| Oban | ![]() |
Meaning : Used in : Australian |
| Oben | ![]() |
Meaning : Used in : German |
| Oberon | ![]() |
Meaning : In french meaning is : Elf ruler. Used in : Australian, German, French, German, Shakespearean |
| Oberron | ![]() |
Meaning : Highborn And Bearlike. Used in : German |
| Obiwan | ![]() |
Meaning : Used in : Australian |
| Obran | ![]() |
Meaning : Used in : Australian |
| Obson | ![]() |
Meaning : Used in : Australian |
| Obvokhan | ![]() |
Meaning : The Immature Twin Used in : Nigerian |
| Ocean | ![]() |
Meaning : Used in : Australian, Greek, French, Greek, African, Australian |
| Ocelopan | ![]() |
Meaning : Used in : Aztec, Mexican |
| Ochen | ![]() |
Meaning : Used in : African |
| Ochran | ![]() |
Meaning : Used in : Australian |
| Ockan | ![]() |
Meaning : Brown Horse, Horse Lover Used in : Irish |
| Ococaltzin | ![]() |
Meaning : Used in : Mexican |
| Ocran | ![]() |
Meaning : A Disturber, That Disorders. Used in : Biblical |
| Octavian | ![]() |
Meaning : In latin meaning is : Variant of Octavius: Born eighth. Octavian was the name used commonly for the Emperor Augustus Used in : Australian, British, English, French, German, Latin, Romanian |
| Octavien | ![]() |
Meaning : In latin meaning is : Eighth child, this name was given to the eighth child in a large family Used in : French, Latin |
| Octavin | ![]() |
Meaning : Used in : French, French |
| Ocvran | ![]() |
Meaning : Used in : Arthurian - Legend |
| Odaniyan | ![]() |
Meaning : Used in : Hindu |
| Odanodan | ![]() |
Meaning : Of The Red Earth Used in : Irish |
| Odarmarban | ![]() |
Meaning : Used in : Hindu |
| Odelan | ![]() |
Meaning : Used in : French |
| Odelin | ![]() |
Meaning : Used in : French, French, German |
| Oden | ![]() |
Meaning : In Swedish meaning is : Inspiration Used in : Australian, German, Swedish, Australian |
| Odhrain | ![]() |
Meaning : Used in : Celtic |
| Odhran | ![]() |
Meaning : In irish meaning is : Little pale green one Used in : Celtic, Irish |
| Odillon | ![]() |
Meaning : Used in : French |
| Odilon | ![]() |
Meaning : Used in : French, Italian |
| Odin | ![]() |
Meaning : Inspiration, Used in : American, Anglo, Australian, Scandinavian, British, Danish, English, French, German, Norse, Scandinavian, Swedish |
| Odinosen | ![]() |
Meaning : This Is Fine Used in : Nigerian |
| Odion | ![]() |
Meaning : First Of Twins Used in : African, Egyptian, Nigerian, African |
| Odoin | ![]() |
Meaning : Used in : French, Gothic |
| Odon | ![]() |
Meaning : In Anglo meaning is : Wealthy defender Used in : African, Anglo, French, Hungarian, Hungarian |
| Odran | ![]() |
Meaning : In Gaelic meaning is : Pale. Used in : Australian, Celtic, French, Gaelic, Irish |
| Odsten | ![]() |
Meaning : Used in : Danish |
| Oduntan | ![]() |
Meaning : TUNDE ODUNTAN - Public Commentator On Nigerian And African Politics, International Relations And The Global Environment Politics. Used in : Nigerian |
| Odwin | ![]() |
Meaning : Used in : French, German |
| Oeberon | ![]() |
Meaning : Highborn And Bearlike. Used in : German |
| Oein | ![]() |
Meaning : Used in : Australian |
| Oen | ![]() |
Meaning : Used in : Japanese |
| Oenopion | ![]() |
Meaning : Used in : Greek |
| Oerkan | ![]() |
Meaning : Used in : Australian |
| Oetavian | ![]() |
Meaning : Born Eighth Used in : Latin |
| Offen | ![]() |
Meaning : Used in : German |
| Offin | ![]() |
Meaning : Used in : African |
| Ogaan | ![]() |
Meaning : Lord Shiva Used in : Hindu |
| Ogan | ![]() |
Meaning : In irish meaning is : youth, lad Used in : Hindu, Turkish, Irish |
| Ogbegun | ![]() |
Meaning : Used in : African, African |
| Ogdan | ![]() |
Meaning : From The Oak Valley Used in : British, English |
| Ogden | ![]() |
Meaning : From The Oak Tree Valley Used in : American, Australian, British, English, Jamaican |
| Ogdon | ![]() |
Meaning : From The Oak Tree Valley Used in : American, British, English |
| Ogilhinn | ![]() |
Meaning : From The High Peak Used in : Scottish |
| Ognen | ![]() |
Meaning : Used in : Australian |
| Ognjen | ![]() |
Meaning : Used in : Australian |
| Oguden | ![]() |
Meaning : Used in : Japanese |
| Ogulcan | ![]() |
Meaning : Used in : Australian |
| Ogun | ![]() |
Meaning : Used in : African, Australian, German, German |
| Ogushan | ![]() |
Meaning : Used in : Australian |
| Oguzhan | ![]() |
Meaning : Used in : Australian, German |
| Oguzkaan | ![]() |
Meaning : Used in : Australian |
| Ohan | ![]() |
Meaning : Used in : Armenian, Japanese |
| Ohlsen | ![]() |
Meaning : Used in : German |
| Ohon | ![]() |
Meaning : The Name Is Preserved (luo) Used in : African, Kenyan |
| Oihan | ![]() |
Meaning : Used in : Basque |
| Oisin | ![]() |
Meaning : In irish meaning is : Little, freckled Used in : Australian, Celtic, Irish |
| Oison | ![]() |
Meaning : A Deer Used in : Irish |
| Oistin | ![]() |
Meaning : Venerable Origin Latin Used in : Hindu, Irish, Irish, Latin |
| Ojahn | ![]() |
Meaning : Used in : Australian |
| Ojaswin | ![]() |
Meaning : Used in : Hindu |
| Ojon | ![]() |
Meaning : Used in : Australian |
| Ok-an | ![]() |
Meaning : Used in : German |
| Okan | ![]() |
Meaning : Used in : Australian, Turkish, German |
| Okanlawon | ![]() |
Meaning : Son Born After Several Daughters Used in : African |
| Okeman | ![]() |
Meaning : Used in : Dutch, German |
| Okhan | ![]() |
Meaning : Used in : Australian, German |
| Okkan | ![]() |
Meaning : Used in : Australian, German |
| Okon | ![]() |
Meaning : Used in : African, Basque |
| Oksen | ![]() |
Meaning : Used in : Armenian |
| Oktavian | ![]() |
Meaning : Used in : French, German |
| Oktawjan | ![]() |
Meaning : Eighth Used in : Polish |
| Olaf-bryan | ![]() |
Meaning : Used in : German |
| Olaf-carsten | ![]() |
Meaning : Used in : German |
| Olaf-christian | ![]() |
Meaning : Used in : German |
| Olaf-jurgen | ![]() |
Meaning : Used in : German |
| Olaf-karsten | ![]() |
Meaning : Used in : German |
| Olaf-ken | ![]() |
Meaning : Used in : German |
| Olaitan | ![]() |
Meaning : Godly Blessings Have No End (Yoruba Of Benin) Used in : African |
| Olajowon | ![]() |
Meaning : Used in : African |
| Olajuan | ![]() |
Meaning : Used in : African |
| Olajuwan | ![]() |
Meaning : Used in : African |