Boys’ names starting with O
63 boys’ names beginning with O, the most used first.
| Name | Origin | Meaning | Latest rank |
|---|---|---|---|
| Oliver | “ancestral + relic”, “all” | #6 (2025) | |
| Oscar | Irish | “deer”, “friend” | #8 (2025) |
| Owen | Welsh | #170 (2025) | |
| Otto | German | “wealth”, “riches” | #117 (2025) |
| Omar | Arabic | #157 (2025) | |
| Otis | English | #71 (2025) | |
| Oskar | #349 (2025) | ||
| Olivier | French | #976 (2025) | |
| Olly | #668 (2025) | ||
| Orlando | Italian | “roland” | #452 (2025) |
| Orion | Greek | “heaven's light” | #370 (2025) |
| Osian | #274 (2025) | ||
| Odin | #462 (2025) | ||
| Osman | Norse | “a god”, “protection” | #474 (2025) |
| Omari | Arabic | #668 (2025) | |
| Ole | Danish | #4,789 (2022) | |
| Orson | #379 (2025) | ||
| Olaf | Norse | #2,440 (2025) | |
| Ozzy | #191 (2025) | ||
| Ondrej | #5,119 (2024) | ||
| Osvaldo | |||
| Oswald | #1,093 (2025) | ||
| Omer | #728 (2025) | ||
| Oleg | Russian | “holy”, “sacred” | #4,608 (2020) |
| Oliwier | #934 (2025) | ||
| Oisin | Irish | #517 (2025) | |
| Odo | |||
| Owain | Welsh | #1,466 (2025) | |
| Oren | Hebrew | “pine tree” | #1,035 (2025) |
| Olli | #5,137 (2025) | ||
| Octavio | #3,254 (2024) | ||
| Oleksandr | #2,664 (2025) | ||
| Octave | #4,991 (2023) | ||
| Osama | Arabic | #2,440 (2025) | |
| Orin | Irish | #1,035 (2025) | |
| Oran | Irish | “dun”, “sallow” | #1,538 (2025) |
| Obi | #1,066 (2025) | ||
| Oswaldo | |||
| Olof | |||
| Olin | #5,119 (2024) | ||
| Obie | #1,093 (2025) | ||
| Orrin | Irish | #2,440 (2025) | |
| Oli | #1,226 (2025) | ||
| Orville | #3,467 (2003) | ||
| Octavius | Latin | #4,270 (2024) | |
| Othniel | Hebrew | “god” | #1,538 (2025) |
| Obadiah | Hebrew | “servant of yahweh”, “servant of god” | #2,269 (2025) |
| Ogden | English | “oak”, “valley” | |
| Octavian | Latin | “-ian: forming adjectives” | #1,798 (2025) |
| Obed | Hebrew | “servant” | #3,254 (2024) |
| Ottis | #1,897 (2025) | ||
| Ossian | Irish | “deer” | #3,256 (2025) |
| Olen | #4,789 (2021) | ||
| Oleh | |||
| Osborne | English | “god”, “bear” | #4,023 (2016) |
| Ottokar | German | #4,107 (2023) | |
| Ostap | Greek | #5,137 (2025) | |
| Orval | |||
| Osmond | English | “a god”, “protection” | #5,137 (2025) |
| Odis | |||
| Orpheus | Greek | “orphan” | #3,684 (2025) |
| Onuphrius | “he who is continually good” | ||
| Origen | Greek | “horus”, “born of” |