Name Explorer — Baby Names
Baby Names Starting with O
Looking for the perfect name? Browse first names from real South African records, see how popular each one is, and how many people of every age share it.
Names Starting with O — page 79 of 97
4,821 names
Sort: A–Z Most popular| Name | Boy / Girl | People | Surnames |
|---|---|---|---|
| Ossian | Unisex | 5 | 5 |
| Ossias | Boy | 10 | 10 |
| Ossie | Unisex | 133 | 120 |
| Ossius | Boy | 8 | 8 |
| Ossman | Boy | 10 | 10 |
| Ossmane | Unisex | 5 | 3 |
| Osswell | Boy | 9 | 8 |
| Ossy | Unisex | 40 | 39 |
| Osta | Unisex | 20 | 19 |
| Ostacia | Girl | 5 | 5 |
| Ostah | Girl | 14 | 13 |
| Ostalia | — | 5 | 5 |
| Ostalina | Girl | 89 | 60 |
| Ostalinah | Girl | 24 | 21 |
| Ostaline | Girl | 14 | 13 |
| Ostallinah | Girl | 5 | 5 |
| Ostan | Boy | 13 | 13 |
| Ostancia | Girl | 6 | 6 |
| Ostar | Unisex | 36 | 33 |
| Ostean | Boy | 7 | 7 |
| Osteen | Boy | 20 | 20 |
| Ostein | Boy | 5 | 5 |
| Ostel | Unisex | 9 | 8 |
| Osten | Boy | 125 | 111 |
| Ostene | Boy | 6 | 6 |
| Ostenwald | Boy | 27 | 18 |
| Ostenwaldt | Boy | 5 | 2 |
| Oster | Unisex | 44 | 43 |
| Ostern | Boy | 35 | 35 |
| Osterwald | Boy | 10 | 7 |
| Ostewald | Boy | 6 | 5 |
| Osther | Unisex | 6 | 6 |
| Ostien | Unisex | 8 | 8 |
| Ostin | Boy | 140 | 130 |
| Ostina | Unisex | 25 | 23 |
| Ostinah | Unisex | 8 | 8 |
| Ostine | Boy | 46 | 43 |
| Ostler | Unisex | 6 | 6 |
| Ostoja | Boy | 6 | 4 |
| Oston | Boy | 22 | 22 |
| Ostrich | Boy | 18 | 17 |
| Ostwald | Boy | 14 | 10 |
| Osty | Boy | 5 | 5 |
| Osuliwe | Unisex | 25 | 25 |
| Osulwe | Unisex | 19 | 19 |
| Osupeng | Unisex | 90 | 84 |
| Osupile | Boy | 40 | 39 |
| Osvald | Boy | 8 | 8 |
| Osvalda | Girl | 6 | 6 |
| Osvaldo | Boy | 218 | 184 |
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.