| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Slobodan | - | Serbian, Macedonian, Croatian | ||
| Slobodanka | - | Serbian, Croatian | ||
| SluaghadhÁN | - | Ancient Irish | ||
| Smiljana | - | Croatian, Serbian | ||
| SmiltĖ | - | Lithuanian | ||
| SneŽAna | - | Serbian | ||
| Sneha | - | Indian, Hindi, Marathi, Bengali, Kannada | ||
| Snezhana | - | Russian, Bulgarian, Macedonian | ||
| SnjeŽAna | - | Croatian, Serbian | ||
| Snorre | - | Norwegian | ||
| Snorri | - | Ancient Scandinavian, Icelandic | ||
| Socorro | - | Spanish | ||
| Socrates | SAHK-rə-teez (English) | Ancient Greek (Latinized) | ||
| SofÍA | so-FEE-ah | Spanish | ||
| SoffÍA | - | Icelandic |