| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Ranko | - | Serbian, Croatian | ||
| Ratko | - | Croatian, Serbian | ||
| Ratomir | - | Serbian | ||
| RuŽA | ROO-zhah | Croatian, Serbian | ||
| SaŠA | - | Croatian, Serbian, Slovene | ||
| Sanja | - | Croatian, Serbian | ||
| Sava | - | Serbian, Bulgarian | ||
| Senka | - | Serbian, Croatian | ||
| Simeon | SIM-ee-ən (English) | Biblical, Bulgarian, Serbian | ||
| Simo | SEE-mo (Finnish) | Finnish, Serbian | ||
| SiniŠA | - | Croatian, Serbian | ||
| SlaĐAna | SLAH-jah-nah | Serbian, Croatian | ||
| Sladjana | SLAH-jah-nah | Serbian | ||
| Slaven | - | Croatian, Serbian | ||
| Slavica | - | Serbian, Croatian, Slovene, Macedonian |