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 62 of 75
3,739 boy names
Sort: A–Z Most popular| Name | Boys | Surnames |
|---|---|---|
| Ostern | 35 | 35 |
| Osterwald | 10 | 7 |
| Ostewald | 6 | 5 |
| Osther Unisex | 3 | 6 |
| Ostien Unisex | 7 | 8 |
| Ostin | 139 | 130 |
| Ostina Unisex | 2 | 23 |
| Ostinah Unisex | 2 | 8 |
| Ostine | 43 | 43 |
| Ostler Unisex | 5 | 6 |
| Ostoja | 6 | 4 |
| Oston | 21 | 22 |
| Ostrich | 11 | 17 |
| Ostwald | 14 | 10 |
| Osty | 5 | 5 |
| Osuliwe Unisex | 9 | 25 |
| Osulwe Unisex | 7 | 19 |
| Osupeng Unisex | 69 | 84 |
| Osupile | 22 | 39 |
| Osvald | 8 | 8 |
| Osvaldo | 216 | 184 |
| Oswad | 7 | 7 |
| Oswal | 13 | 13 |
| Oswald | 4,233 | 2,409 |
| Oswaldo | 78 | 73 |
| Oswaldt | 19 | 18 |
| Oswall | 18 | 18 |
| Oswalo | 9 | 9 |
| Oswalt | 14 | 14 |
| Oswan | 7 | 7 |
| Osward | 113 | 98 |
| Oswarld | 15 | 15 |
| Oswart | 11 | 10 |
| Oswel | 39 | 39 |
| Osweld | 22 | 22 |
| Oswell | 676 | 535 |
| Oswen | 23 | 22 |
| Oswil | 10 | 10 |
| Oswill | 65 | 58 |
| Oswille | 5 | 5 |
| Oswin | 261 | 213 |
| Oswold | 13 | 13 |
| Osworld | 10 | 10 |
| Oswyn | 10 | 10 |
| Ota Unisex | 26 | 38 |
| Otakar | 5 | 5 |
| Otandwayo Unisex | 11 | 23 |
| Otanganedzwa Unisex | 10 | 13 |
| Otaniel | 9 | 9 |
| Otankiseng Unisex | 1 | 5 |
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.