| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sybella | si-BEL-ə | English (Rare) | ||
| Sybilla | - | Polish, Late Roman | ||
| Sybille | see-BI-lə (German) | German, French | ||
| Sydne | SID-nee | English (Rare) | ||
| Syed | - | Urdu, Punjabi, Bengali | ||
| Sylvana | sil-VAN-ə (English) | Various | ||
| Sylvanus | - | English (Archaic) | ||
| Sylvester | sil-VES-tər (English) | English, Dutch, Danish, German | ||
| Sylvi | SUYL-vee (Finnish) | Norwegian, Swedish, Finnish | ||
| Sylvia | SIL-vee-ə (English), SUYL-vee-ah (Finnish) | English, Swedish, Norwegian, Danish, Finnish, German | ||
| Symeon | - | Biblical Greek, Biblical Latin | ||
| Symeonu | - | Old Church Slavic | ||
| Symon | - | Ukrainian (Rare) | ||
| Symphony | SIM-fə-nee | English (Rare) | ||
| SynnØVe | - | Norwegian |