| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Spike | SPIEK | English (Rare) | ||
| Spirit | SPIR-it | English (Rare) | ||
| Stacee | STAY-see | English (Rare) | ||
| Steffie | - | German (Rare) | ||
| Stirling | STUR-ling | English (Rare) | ||
| StoŠIja | - | Croatian (Rare) | ||
| Suzume | soo-zoo-me | Japanese (Rare) | ||
| Sybella | si-BEL-ə | English (Rare) | ||
| Sydne | SID-nee | English (Rare) | ||
| Symon | - | Ukrainian (Rare) | ||
| Symphony | SIM-fə-nee | English (Rare) |