| 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. |
| Oliwia | The Polish form of Olivia. |
| Oliwier | A Polish variation of Oliver. |
| Oliwja | A variant spelling of Olivia. |
| Oliza | A name meaning olive or peace. |
| Olizamia | A peaceful and radiant spirit. |
| Oljoi | One who brings joy and light. |
| Olkka | A strong and resilient person. |
| Ollen | Young warrior, a Gaelic name meaning youthful strength |
| Ollivander | Famous warrior, a French name meaning renowned fighter |
| Olmo | Elm tree, a Spanish name meaning strong and resilient |
| Olowin | A friend of the forest spirits. |
| Olu | God is my peace, a Yoruba name meaning divine calm |
| Oluchukwu | The Work of God |
| Olufunmilayo | God gives me joy |
| Oluremi | God brings comfort |
| Olwyna | White foot print. |