| NAME | ORIGIN | MEANING |
| Olethea | Latin | Honest. |
| Olethia | Latin | Honest. |
| Olexa | Czechoslovakian | Feminine of Alexander. |
| Olga | Russian | holy |
| Oliana | Hawaiian | oleander |
| Olina | Hawaiian | Joyous |
| Olinda | Old German | protector of property |
| Oline | Hawaiian | Joyous. |
| Olisa | Native American | God |
| Olita | English | Winged. |
| Olithia | Latin | Honest. |
| Oliva | Latin | Variant of Olive: Olive: symbol of peace. |
| Olive | Old Norse, Latin, Old French | kind one; olive tree, peace |
| Oliveria | Spanish | Affectionate. |
| Olivia | Latin | Peace - of the olive tree |
| Olivie | Latin | Olive. |
| Olufemi | Egyptian | Beloved of the gods. |
| Olwen | Welsh | White footprint |
| Olwina | Welsh | White foot print. |
| Olya | Russian | Holy. |
| Olympe | French | Olympian |
| Olympia | Greek | of Mount Olympus, heavenly |
| Omah | Hebrew | Cedar tree. |
| Omana | Hindi | A Woman |
| Omat | Irish | The color of olive. |
| Omega | Greek | great |
| Omette | Hebrew | Cedar tree. |
| Ominotago | Native American | Beautiful voice (Chippewa). |
| Omora | Latin | Honor. |
| Omoria | Latin | Honor. |
