| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Simonides | - | Ancient Greek | ||
| Siward | - | Ancient Germanic | ||
| Socrates | SAHK-rə-teez (English) | Ancient Greek (Latinized) | ||
| Sokrates | - | Ancient Greek | ||
| Solon | - | Ancient Greek | ||
| Sophia | so-FEE-ə (English), so-FIE-ə (British English), zo-FEE-ah (German) | English, Greek, German, Ancient Greek | ||
| Sophocles | SAHF-u-kleez (English) | Ancient Greek (Latinized) | ||
| Sophokles | - | Ancient Greek | ||
| Sophos | - | Ancient Greek | ||
| Sophus | - | Ancient Greek (Latinized) | ||
| Sosigenes | - | Ancient Greek | ||
| Sostrate | - | Ancient Greek | ||
| Stephanos | - | Ancient Greek, Biblical Greek, Greek | ||
| Straton | - | Ancient Greek | ||
| Swanahilda | - | Ancient Germanic |