| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sosruko | - | Caucasian Mythology | ||
| Sostrate | - | Ancient Greek | ||
| Sota | so:-tah | Japanese | ||
| Souma | so:-mah | Japanese | ||
| Souta | so:-tah | Japanese | ||
| Spartak | - | Russian, Ukrainian, Bulgarian, Albanian, Armenian, Georgian | ||
| Spas | - | Bulgarian | ||
| Sperantia | - | Late Roman | ||
| Spiridon | - | Greek, Serbian, Croatian | ||
| Spomenka | - | Croatian | ||
| Sprita | SPREE-tah | Esperanto | ||
| Spurius | SPUWR-i-uws | Ancient Roman | ||
| Sraosha | - | Persian Mythology | ||
| SreĆKo | - | Croatian, Serbian | ||
| Sree | - | Indian, Telugu, Tamil |