| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sloan | SLON | English (Rare) | ||
| Sloane | SLON | English (Rare) | ||
| Slobodan | - | Serbian, Macedonian, Croatian | ||
| Slobodanka | - | Serbian, Croatian | ||
| SluaghadhÁN | - | Ancient Irish | ||
| Sly | SLIE | English | ||
| Smiljana | - | Croatian, Serbian | ||
| Smith | SMITH | English | ||
| SneŽAna | - | Serbian | ||
| Snezhana | - | Russian, Bulgarian, Macedonian | ||
| SnjeŽAna | - | Croatian, Serbian | ||
| Snorri | - | Ancient Scandinavian, Icelandic | ||
| SoŇA | - | Czech, Slovak | ||
| Sobeslav | - | Medieval Slavic | ||
| SobiesŁAw | saw-BYES-wahf | Polish |