| Oixie | The Power of Love |
| Ojaala | A name meaning a ray of light. |
| Ojashvi | Bright, Glow, Vitality |
| Ojashvii | A name meaning bright and bold. |
| Ojashvini | Bright, Splendid, Full of Light |
| Ojashwee | Bright, Splendid, Energetic |
| Ojayita | One who Behaves Courageously |
| Ojeswi | Shining, Bright, Full of Light |
| Ojvi | A short name meaning full of life. |
| Okindu | A name of African origin meaning sun. |
| Okitha | A name meaning a bright, shining star. |
| Okithma | A name meaning one who is very wise. |
| Oksenja | A name meaning a hospitable person. |
| Ol | Legendary son of olwydd |
| Olajuwon | A name meaning honor is wealth to me. |
| Olamilekan | My wealth is growing |
| Olanda | A Person from the State of Holland |
| Olaria | Divinely Intelligent |
| Olateju | A name meaning the glory is revealed. |
| Olcay | A name meaning a lucky or gifted soul. |
| Oldina | A name meaning a wise, elder woman. |
| Oleena | A name meaning a bright, shining light. |
| Oleevia | A name meaning a peaceful olive tree. |
| Olfat | Derived from the Arabic word for affection. |
| Olida | A name meaning a winged or flying being. |
| Olif | A name meaning an olive tree or branch. |
| Oligana | A name meaning a small, graceful flower. |
| Oliivja | A name meaning an olive tree or peace. |
| Olima | A name meaning one who is very fertile. |
| Olimpe | A name meaning from Mount Olympus. |
| Olimpiades | A name meaning of the Olympic games. |
| Olimpias | From Mount Olympus |
| Olinka | A name meaning a defender of mankind. |
| Oliua | A name meaning a peaceful olive branch. |
| Oliue | A variant of the olive tree name. |
| Olivander | Derived from the olive tree wood. |
| Olivet | Refers to an olive tree grove. |
| Olivette | A small or young olive tree. |
| Oliwa | The Polish word for an olive. |
| Oliwer | A variant of the name Oliver. |