| Stefani | | STEF-ə-nee | English | |
| Stella (1) | | STEL-ə (English) | English, Italian, Dutch, German | |
| Steph | | STEF | English | |
| Stephani | | STEF-ə-nee | English (Modern) | |
| Stephania | | stə-FAN-yə | English | |
| Stephanie | | STEF-ə-nee (English), SHTE-fah-nee (German) | English, German | |
| Stephany | | STEF-ə-nee | English | |
| Stephen | | STEEV-ən (English), STEF-ən (English) | English, Biblical | |
| Sterling | | STUR-ling | English | |
| Steve | | STEEV | English | |
| Steven | | STEEV-ən (English), STAY-vən (Dutch) | English, Dutch | |
| Stevie | | STEE-vee | English | |
| Stew | | STOO, STYOO | English | |
| Stewart | | STOO-ərt, STYOO-ərt | English, Scottish | |
| Stirling | | STUR-ling | English (Rare) | |