| Sophocles | | SAHF-u-kleez (English) | Ancient Greek (Latinized) | |
| Sophokles | | - | Ancient Greek | |
| Sophos | | - | Ancient Greek | |
| Sophus | | - | Ancient Greek (Latinized) | |
| Sosigenes | | - | Ancient Greek | |
| Sostrate | | - | Ancient Greek | |
| Spurius | | SPUWR-i-uws | Ancient Roman | |
| StÍGandr | | - | Ancient Scandinavian | |
| Steinarr | | - | Ancient Scandinavian | |
| Steinn | | - | Ancient Scandinavian | |
| Stephanos | | - | Ancient Greek, Biblical Greek, Greek | |
| Stigr | | - | Ancient Scandinavian | |
| Straton | | - | Ancient Greek | |
| Suibhne | | SIV-na (Irish, Scottish) | Irish, Scottish, Ancient Irish | |
| Svanhildr | | - | Ancient Scandinavian, Norse Mythology | |