| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| SVETOSLAV | - | Bulgarian, Medieval Slavic | ||
| SVETOVID | - | Slavic Mythology | ||
| SVYATOPOLK | - | Russian | ||
| SVYATOSLAV | svyah-tah-SLAHF (Russian) | Russian, Ukrainian | ||
| Swain | [swein] | |||
| SWAPAN | - | Bengali | ||
| SWAPNIL | - | Indian, Marathi, Hindi | ||
| Sweeney | ['swi:ni] | |||
| SWEENEY | - | Irish, Scottish | ||
| SWIÐHUN | - | Anglo-Saxon | ||
| Swift | [swift] | |||
| SWITHIN | - | History | ||
| SWITHUN | - | History | ||
| SYD | SID | English | ||
| SYED | - | Urdu, Punjabi, Bengali |