| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sizwe | - | Southern African, Xhosa | ||
| Sjaak | SHAH:K | Dutch | ||
| Sjakie | SHAH-kee | Dutch | ||
| Sjef | SHEF | Dutch | ||
| Sjoerd | SHOORT (Dutch) | Frisian, Dutch | ||
| Sjors | SHAWRS | Dutch | ||
| SlÀIne | - | Scottish | ||
| SlaĐAna | SLAH-jah-nah | Serbian, Croatian | ||
| SlavĚNa | - | Czech | ||
| Slava | - | Russian, Slovene, Croatian | ||
| Slaven | - | Croatian, Serbian | ||
| Slavica | - | Serbian, Croatian, Slovene, Macedonian | ||
| Slavitsa | - | Medieval Slavic (Hypothetical) | ||
| Slavka | - | Slovene, Croatian | ||
| Slavko | - | Croatian, Serbian, Slovene |