| Sophus | | - | Ancient Greek (Latinized) | |
| Sosigenes | | - | Ancient Greek | |
| Sostrate | | - | Ancient Greek | |
| Stephanos | | - | Ancient Greek, Biblical Greek, Greek | |
| Straton | | - | Ancient Greek | |
| Syntyche | | SIN-tə-kee (English) | Biblical, Biblical Greek, Ancient Greek | |
| Telesphoros | | - | Ancient Greek | |
| Telesphorus | | - | Ancient Greek (Latinized) | |
| ThaÏS | | - | Ancient Greek | |
| Thais | | - | Ancient Greek | |
| Thales | | - | Ancient Greek | |
| Themistocles | | - | Ancient Greek (Latinized) | |
| Themistokles | | - | Ancient Greek | |
| Theocritus | | - | Ancient Greek (Latinized) | |
| Theodora | | thee-ə-DAWR-ə (English) | English, Greek, Ancient Greek | |