Browse our list of 50 names starting with the letter O.
| Oalo | Boy | Small |
| Oanez | Girl | She who is chaste |
| Obadiah | Boy | Servant of god |
| Obafemi | Boy | The King loves me. |
| Obaloluwa | Boy | God is the king. |
| Obasolape | Boy | Yoruba term meaning God has made his wealth complete. |
| Obatotosinloluwa | Boy | God is indeed worthy of praise. |
| Obed | Boy | A short form of obadiah |
| Oberon | Boy | elfruler |
| Oboganriemu | Boy | Be strong to survive |
| Obuya | Boy | Born when the garden was overgrown. |
| Ocean | Girl | ocean |
| Oceana | Girl | Ocean |
| Oceane | Girl | Charm of the God. A person with a high intellectual skills. |
| Oceanna | Girl | From the sea |
| Oceanne | Girl | The female version of the Mohit that means infatuated person. |
| Ochieng | Boy | Born in the daytime. |
| Ociel | Boy | Heaven, heavenly |
| Octavia | Girl | Female variant of Mohsin that means a gentle lady who help others. |
| Octavian | Boy | Eighth |
| Oda | Girl | German for Elfin Spear |
| Odafe | Boy | Rich individual |
| Odalys | Girl | Wealth |
| Odbart | Boy | One who is wealthy and rich. |
| Oded | Boy | Strong omar - first son, disciple |
| Odeda | Girl | Strong |
| Odelia | Girl | Little wealthy one |
| Odelinda | Girl | Little wealthy one |
| Odell | Boy | woad(aplantyieldingbluedye) |
| Odella | Girl | Wood hill |
| Odera | Girl | Plough ofira - gold |
| Odeta | Girl | Blue sea |
| Odetta | Girl | Wealth |
| Odette | Girl | French for wealthy |
| Odikinyi | Boy | One who was born in the early morning. |
| Odila | Girl | The right path that a person should follow. Also the name of Lord Vishnu |
| Odile | Girl | A person who follows the right path according to the beliefs and humanity. |
| Odisej | Boy | To hate or to be grieved. |
| Odongo | Boy | Second of twins. |
| Odour | Boy | Born after midnight. |
| Odran | Boy | littles allowone |
| Odunayo | Boy | Year of happiness. |
| Oehoo | Boy | One who is watchful, vigilant. |
| Oeznik | Boy | Slovak word for butcher. |
| Ofer | Boy | gold |
| Ogbamremu | Boy | The brave meets a lot of challenges |
| Ogden | Boy | Oak valley. |
| Ognian | Boy | Variant transcription of Ognyan, meaning fiery. |