| Olga | German | A borrowing from the Russian, Olga .. |  |  |
| Olga | Hungarian | A borrowing from the Russian, Olga .. |  | |
| Olga | Polish | A borrowing from the Russian, Olga .. | | |
| Olga | Rumanian | A borrowing from the Russian, Olga .. | | |
| Olga | Russian | Feminine form of Oleg (holy), a n.. | | |
| Olga | Norwegian | Meaning "holy." Among renowned wome.. | | |
| Olgerts | Latvian | Meaning prosperous |  | |
| Olghar | Scottish | Gaelic form of Oliver. See Oliver.. | | |
| Olimpia | Italian | Derived from the Greek Olympia, whi.. | | |
| Olimpia | Polish | A borrowing from the Italian, Olimp.. | | |
| Olimpia | Portuguese | Derived from the Greek Olympia, a f.. | | |
| Olimpia | Spanish | Derived from the Greek Olympia, a f.. | | |
| Olimpiada | Russian | Derived from the Greek Olympia, a f.. | | |
| Olin | English | Meaning "holly." | | |
| Olina | Hawaiian | Meaning "joyous."
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| Olive | English | Evolution of the older and now unus.. |  | |
| Oliver | English | Derived from the French Olivier, wh.. | | |
| Oliver | German | Of debated origin, most believe Oli.. | | |
| Oliver | Scottish | Derived from the French Olivier, wh.. | | |
| Olivia | American | Elaboration of Olive (olive tree) | | |
| Olivia | English | Elaboration of Olive (olive tree). .. | | |
| Olivia | Portuguese | Derived from the Latin oliva (a tre.. | | |
| Olivier | French | From the Old French olivier (olive .. | | |
| Olivieros | Portuguese | Portuguese cognate of the French Ol.. | | |
| Oliwa | Hawaiian | Hawaiianized form of Oliver, a name.. | | |
| Oliwja | Polish | Polish form of Olive, which is an e.. | | |
| Oliwjer | Polish | Polish cognate of the French Olivie.. | | |
| Olli | Estonian | Meaning "pious." | | |
| Ollia | Ukrainian | Meaning "holy."
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| Olowin | Native Amer.. | Meaning "west." From the Miwok or M.. | | |
| Olsen | American | Transferred use of the Scandinavian.. | | |
| Olu | Nigerian | Meaning "preeminent."
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| Olubayo | African | Greatest joy, highest joy. Yoruba, .. | | |
| Olubayo | African | Greatest joy, highest joy. Yoruba, .. | | |
| Olubayo | Nigerian | Meaning "greatest joy." | | |
