| Staffan | | - | Swedish | |
| Stefan | | SHTE-fahn (German), STAY-fahn (Dutch), STE-fahn (Polish) | German, Swedish, Norwegian, Danish, Dutch, Polish, Bulgarian, Macedonian, Serbian | |
| Stellan | | - | Swedish | |
| Sten | | - | Swedish, Danish, Norwegian, Dutch | |
| Stig | | - | Swedish, Norwegian, Danish | |
| Stina | | - | Swedish, Norwegian, Danish | |
| Sture | | STOO-re (Swedish) | Swedish, Medieval Scandinavian | |
| Susann | | zoo-ZAHN (German) | German, Swedish, Norwegian, Danish | |
| Susanna | | soo-ZAHN-nah (Italian), SOO-sahn-nah (Finnish), soo-ZAN-ə (English) | Italian, Swedish, Finnish, Russian, Dutch, English, Biblical, Biblical Latin, Old Church Slavic | |
| Susanne | | zoo-ZAH-nə (German), soo-SAN-ne (Danish) | German, Danish, Swedish, Norwegian | |
| Svante | | - | Swedish, Norwegian, Danish | |
| Svea | | SVE-ah | Swedish | |
| Sven | | SVEN | Swedish, Norwegian, Danish, German, Dutch | |
| Sylvi | | SUYL-vee (Finnish) | Norwegian, Swedish, Finnish | |
| Sylvia | | SIL-vee-ə (English), SUYL-vee-ah (Finnish) | English, Swedish, Norwegian, Danish, Finnish, German | |