| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| SaŠA | - | Croatian, Serbian, Slovene | ||
| Sabina | sah-BEE-nah (Italian, Spanish, Polish) | Italian, Spanish, Portuguese, Romanian, Polish, Czech, Slovene, Russian, Croatian, Ancient Roman | ||
| Sanda | - | Romanian, Croatian | ||
| Sandi | - | Croatian, Slovene | ||
| Sanel | - | Croatian | ||
| Sanela | - | Croatian | ||
| Sanja | - | Croatian, Serbian | ||
| Sanjica | SAHN-yee-tsah | Croatian | ||
| Sanjin | - | Croatian | ||
| Sebastijan | - | Slovene, Croatian | ||
| Senka | - | Serbian, Croatian | ||
| Severina | - | Italian, Portuguese, Croatian, German, Ancient Roman | ||
| Silvija | - | Croatian, Slovene | ||
| Silvijo | - | Croatian | ||
| Silvio | SEEL-vyo (Italian), SEEL-byo (Spanish) | Italian, Spanish, Portuguese, Croatian |