| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| SIMONETTE | - | English (Rare) | ||
| SIMONI | - | Georgian | ||
| SIMONIDES | - | Ancient Greek | ||
| SIMONU | - | Old Church Slavic | ||
| SINÉAD | shi-NAYD | Irish | ||
| Sinclair | ['siŋklɛə] | |||
| SINCLAIR | sin-KLER | English (Rare) | ||
| SINDRE | - | Norwegian | ||
| SINDRI | - | Norse Mythology, Ancient Scandinavian, Icelandic | ||
| SINDY | SIN-dee | English (Rare) | ||
| SINGH | - | Indian (Sikh) | ||
| SINI | SEE-nee | Finnish | ||
| SINIŠA | - | Croatian, Serbian | ||
| SINIKKA | SEE-neek-kah | Finnish | ||
| SINJIN | - | English (Rare) |