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 41 of 75
3,739 boy names
Sort: A–Z Most popular| Name | Boys | Surnames |
|---|---|---|
| Onndwelaho Unisex | 2 | 5 |
| Onne Unisex | 8 | 9 |
| Onnea Unisex | 5 | 7 |
| Onneetse Unisex | 5 | 18 |
| Onneile Unisex | 213 | 746 |
| Onneilwe Unisex | 20 | 49 |
| Onnel Unisex | 8 | 10 |
| Onneleng Unisex | 2 | 5 |
| Onnelenna Unisex | 6 | 11 |
| Onneng Unisex | 25 | 35 |
| Onnet Unisex | 20 | 22 |
| Onneth Unisex | 2 | 5 |
| Onnetse Unisex | 15 | 29 |
| Onnetseng Unisex | 3 | 9 |
| Onney Unisex | 4 | 6 |
| Onni Unisex | 5 | 7 |
| Onnia Unisex | 1 | 5 |
| Onnice Unisex | 4 | 5 |
| Onnie Unisex | 31 | 84 |
| Onnis Unisex | 4 | 5 |
| Onnismus Unisex | 5 | 6 |
| Onno | 40 | 33 |
| Onny Unisex | 31 | 74 |
| Ono Unisex | 21 | 44 |
| Onochie | 5 | 5 |
| Onodwa Unisex | 18 | 105 |
| Onofrio | 7 | 7 |
| Onokuhle Unisex | 1 | 7 |
| Onolo Unisex | 24 | 55 |
| Onome Unisex | 3 | 6 |
| Onomusa Unisex | 4 | 10 |
| Onono Unisex | 5 | 15 |
| Ononofile Unisex | 22 | 30 |
| Ononohile Unisex | 19 | 32 |
| Onorato | 7 | 7 |
| Onosi Unisex | 6 | 10 |
| Onosizo Unisex | 9 | 14 |
| Onotando Unisex | 3 | 7 |
| Onothando Unisex | 37 | 119 |
| Onoufrios | 7 | 7 |
| Onoyolo Unisex | 4 | 7 |
| Onphemetse Unisex | 6 | 10 |
| Onratile Unisex | 6 | 20 |
| Ons Unisex | 11 | 13 |
| Onsborn | 6 | 5 |
| Onselen | 9 | 5 |
| Onset | 5 | 4 |
| Onslow Unisex | 29 | 29 |
| Onsmas | 5 | 5 |
| Onswell Unisex | 4 | 6 |
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.