| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Septimius | - | Ancient Roman | ||
| Septimus | - | Ancient Roman | ||
| Sergius | - | Ancient Roman | ||
| Servius | SER-wi-uws | Ancient Roman | ||
| Seti | - | Ancient Egyptian | ||
| Severianus | - | Ancient Roman | ||
| Severina | - | Italian, Portuguese, Croatian, German, Ancient Roman | ||
| Severinus | - | Ancient Roman | ||
| Severus | - | Ancient Roman | ||
| Sextilius | - | Ancient Roman | ||
| Sextus | SEKS-tuws | Ancient Roman | ||
| Sharru-Kinu | - | Ancient Near Eastern | ||
| Sigdag | - | Ancient Germanic | ||
| SigfrØ&Eth;R | - | Ancient Scandinavian | ||
| Sigibert | - | Ancient Germanic |