Name Explorer — Baby Names
Boy Names Starting with O
Looking for the perfect name? Browse boy names from real South African records, see how popular each one is, and how many people of every age share it.
Boy Names Starting with O — page 61 of 75
3,739 boy names
Sort: A–Z Most popular| Name | Boys | Surnames |
|---|---|---|
| Osmer Unisex | 1 | 5 |
| Osmo Unisex | 8 | 14 |
| Osmon | 35 | 36 |
| Osmond | 820 | 744 |
| Osmonde | 5 | 5 |
| Osmont | 10 | 10 |
| Osmos | 18 | 16 |
| Osmund | 68 | 60 |
| Osna Unisex | 2 | 10 |
| Osnah Unisex | 1 | 8 |
| Osnar Unisex | 5 | 6 |
| Osner | 15 | 16 |
| Osney Unisex | 7 | 8 |
| Oso Unisex | 9 | 17 |
| Osondu | 14 | 14 |
| Osorio Unisex | 47 | 44 |
| Ospa Unisex | 4 | 7 |
| Osphayo Unisex | 7 | 8 |
| Osphile Unisex | 2 | 6 |
| Osric | 49 | 42 |
| Osrich | 5 | 5 |
| Osrick | 7 | 7 |
| Osrin | 14 | 14 |
| Ossah Unisex | 1 | 10 |
| Ossborn Unisex | 6 | 7 |
| Osse Unisex | 3 | 5 |
| Ossel | 8 | 8 |
| Osseus | 5 | 4 |
| Ossia Unisex | 5 | 8 |
| Ossiah Unisex | 5 | 5 |
| Ossian Unisex | 4 | 5 |
| Ossias | 10 | 10 |
| Ossie Unisex | 56 | 120 |
| Ossius | 8 | 8 |
| Ossman | 9 | 10 |
| Ossmane Unisex | 4 | 3 |
| Osswell | 9 | 8 |
| Ossy Unisex | 10 | 39 |
| Osta Unisex | 6 | 19 |
| Ostan | 13 | 13 |
| Ostar Unisex | 13 | 33 |
| Ostean | 7 | 7 |
| Osteen | 20 | 20 |
| Ostein | 5 | 5 |
| Ostel Unisex | 8 | 8 |
| Osten | 119 | 111 |
| Ostene | 5 | 6 |
| Ostenwald | 26 | 18 |
| Ostenwaldt | 5 | 2 |
| Oster Unisex | 21 | 43 |
Our Baby Name Generator is based on our South African records, counting every first name a person has. Only real verified South African names are used with this tool. Due to privacy restrictions, records after 2010 are not included. * Updated 21 October 2026.