| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sindy | SIN-dee | English (Rare) | ||
| Sinjin | - | English (Rare) | ||
| Sloan | SLON | English (Rare) | ||
| Sloane | SLON | English (Rare) | ||
| Sonnie | SUN-ee | English (Rare) | ||
| Sophy | SO-fee | English (Rare) | ||
| Sorrel | SAWR-əl | English (Rare) | ||
| Sparrow | SPAR-o | English (Rare) | ||
| Spike | SPIEK | English (Rare) | ||
| Spirit | SPIR-it | English (Rare) | ||
| Stacee | STAY-see | English (Rare) | ||
| Stirling | STUR-ling | English (Rare) | ||
| Sybella | si-BEL-ə | English (Rare) | ||
| Sydne | SID-nee | English (Rare) | ||
| Symphony | SIM-fə-nee | English (Rare) |