| Sonny | Man | American Names |
| Sonoko | Woman | Japanese Names |
| Sonomi | Woman | Japanese Names |
| Sonora | Woman | Spanish Names |
| Sontee | Unisex | American Names |
| Sonya | Woman | Russian Names |
| Sook | Unisex | Korean Names |
| Sookie | Woman | American Names |
| Sophelia | Woman | Greek Names |
| Sophia | Woman | Greek Names |
| Sophie | Woman | French Names |
| Sophilia | Woman | American Names |
| Sophocles | Man | Greek Names |
| Sophronia | Woman | Greek Names |
| Sora | Unisex | Japanese Names |
| Soraya | Woman | Arabic Names |
| Sorcha | Woman | Irish Names |
| Soren | Man | Scandinavian Names |
| Sorena | Woman | Scandinavian Names |
| Sorina | Woman | American Names |