| Oluwa | African | Our God, our Lord. Yoruba, Nigeria |  |  |
| Oluyemi | African | Fulfillment from God, satisfied. Yo.. |  | |
| Omanand | Hindu | Compound name composed of om, a sac.. | | |
| Omar | African | Arabic name derived from 'amir.. |  | |
| Omar | Hebrew | Eloquent. The name Omar is borne in.. | | |
| Omolara | Nigerian | Meaning "born at the right time."
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| Omorede | Nigerian | A royal-toned name that means "prin.. | | |
| Omorogie | Beninese | Believing life is more valuable tha.. | | |
| Omri | Hebrew | Hebrew name of debated meaning... | | |
| Onacoma | Native Amer.. | Meaning "white owl," from the Chero.. | | |
| Onacona | Native Amer.. | White owl. Cherokee | | |
| Onaona | Hawaiian | "Pleasant fragrance."
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| Ondrej | Slovak | Czech form of Andrew, which i.. | | |
| Ondrij | Ukrainian | Meaning "brave." | | |
| Ondro | Czech | Meaning "manly." | | |
| Ongwatero.. | Native Amer.. | He lightens the sky for us. Iroquoi.. | | |
| Onkar | Indian | Meaning "pure being." Another name .. | | |
| Onofrio | German | An alternate form of Humphrey | | |
| Onslow | English | Meaning "enthusiast's hill." | | |
| Onufry | Polish | A form of die German name Hump.. | | |
| Onwarenhi.. | Native Amer.. | Tree cutter. Mohawk | | |
| Onwoachi | African | God's world, God's earth. Ibo, Nige.. | | |
| Opio | Ugandan | Meaning "the first of twin brothers.. | | |
| Oqwa-Pi | Native Amer.. | Red cloud. Tewa. The name was borne.. | | |
| Oran | Irish | Anglicized form of Odhran (little p.. | | |
| Oran | Hebrew | Aramaic name meaning "light." | | |
| Orazio | Italian | Italian form of Horace, which is fr.. | | |
| Orban | Hungarian | Hungarian form of Urban, a name der.. | | |
| Orbon | Hungarian | Meaning "born in the city."
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| Oren | Hebrew | Hebrew name meaning "a pine tre.. | | |
| Orest | Ukrainian | Meaning "mountain." | | |
| Orestes | Greek | Derived from the Greek oros (mounta.. | | |
| Orev | Hebrew | Raven | | |
| Oriji | Nigerian | Meaning "a sturdy tree."
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| Orion | Greek | Of uncertain etymology borne in Gre.. | | |
