| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Svantepolk | - | Ancient Scandinavian | ||
| Sveinn | - | Ancient Scandinavian | ||
| Sverrir | - | Ancient Scandinavian, Icelandic | ||
| Swanahilda | - | Ancient Germanic | ||
| Swapan | - | Bengali | ||
| Sybella | si-BEL-ə | English (Rare) | ||
| Sybil | SIB-əl | English | ||
| Sybille | see-BI-lə (German) | German, French | ||
| Syd | SID | English | ||
| Sydne | SID-nee | English (Rare) | ||
| Sydney | SID-nee | English | ||
| Sydnie | SID-nee | English (Modern) | ||
| Syed | - | Urdu, Punjabi, Bengali | ||
| Sylvain | seel-VEN | French | ||
| Sylvaine | seel-VEN | French |