| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sib | - | Bengali | ||
| Sibilla | - | Italian | ||
| Sibonakaliso | - | Southern African, Zulu | ||
| Sibylla | zi-BUY-lah (German) | Greek, German, Swedish, Late Roman, Late Greek | ||
| Sibylle | zi-BUY-lə (German) | German, French | ||
| Siddharth | - | Indian, Hindi, Marathi, Gujarati | ||
| Siddhartha | - | Sanskrit, Bengali | ||
| Siddhi | - | Indian, Marathi | ||
| Sidonia | - | Late Roman, German | ||
| Sidonius | - | Late Roman | ||
| Sidony | - | English (Archaic) | ||
| Siegbert | ZEEK-bert | German | ||
| Sieger | - | Dutch, German | ||
| Siegfried | ZEEK-freet (German) | German, Germanic Mythology | ||
| Sieghard | ZEEK-hahrt | German |