| Stanko | | STAHN-ko (Slovene, Croatian) | Slovene, Croatian, Serbian, Bulgarian | |
| Stas | | STAHS | Russian | |
| Stasya | | - | Russian | |
| Steen | | - | Danish | |
| StefÁN | | - | Icelandic | |
| StefÁNia | | - | Hungarian | |
| Stefan | | SHTE-fahn (German), STAY-fahn (Dutch), STE-fahn (Polish) | German, Swedish, Norwegian, Danish, Dutch, Polish, Bulgarian, Macedonian, Serbian | |
| Stefania | | ste-FAH-nyah (Italian), ste-FAHN-yah (Polish) | Italian, Polish | |
| Stefanie | | SHTE-fah-nee (German), STAY-fah-nee (Dutch) | German, Dutch, Danish | |
| Stefanija | | - | Macedonian | |
| Stefano | | ste-FAH-no | Italian | |
| Stefans | | - | Latvian | |
| Steffen | | SHTE-fen (Low German) | Low German, Danish, Norwegian, Dutch | |
| Steffi | | - | German | |
| Steffie | | - | German (Rare) | |