| Stanislava | | stah-nee-SLAH-vah (Russian) | Czech, Slovak, Bulgarian, Serbian, Croatian, Slovene, Russian, Medieval Slavic | |
| Stanko | | STAHN-ko (Slovene, Croatian) | Slovene, Croatian, Serbian, Bulgarian | |
| Stefan | | SHTE-fahn (German), STAY-fahn (Dutch), STE-fahn (Polish) | German, Swedish, Norwegian, Danish, Dutch, Polish, Bulgarian, Macedonian, Serbian | |
| Stevan | | - | Serbian, Croatian | |
| Stevo | | - | Serbian, Croatian | |
| Stjepan | | - | Croatian, Serbian | |
| Stojan | | - | Macedonian, Serbian, Croatian, Slovene | |
| Suzana | | - | Croatian, Serbian, Slovene, Macedonian, Portuguese (Brazilian) | |
| Svetlana | | svyet-LAH-nah (Russian), sveet-LAH-nah (Russian) | Russian, Slovak, Bulgarian, Serbian, Macedonian | |
| Svetomir | | - | Serbian, Bulgarian | |
| Svjetlana | | - | Croatian, Serbian | |
| Tajana | | - | Croatian, Serbian | |
| Tamara | | tah-MAH-rah (Russian, Spanish, Italian), tə-MAHR-ə (English), TAM-ə-rə (English) | Russian, Ukrainian, Czech, Slovak, Polish, Slovene, Croatian, Serbian, Macedonian, English, Dutch, S | |
| Tanja | | TAHN-yah (German, Finnish) | German, Finnish, Serbian, Croatian, Slovene, Macedonian, Danish, Swedish, Norwegian | |
| Tatjana | | TAHT-yah-nah (Finnish) | Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish | |