| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Svantepolk | - | Ancient Scandinavian | ||
| Sveinn | - | Ancient Scandinavian | ||
| Sverrir | - | Ancient Scandinavian, Icelandic | ||
| Swanahilda | - | Ancient Germanic | ||
| Syntyche | SIN-tə-kee (English) | Biblical, Biblical Greek, Ancient Greek | ||
| TÓFa | - | Ancient Scandinavian | ||
| TÓFi | - | Ancient Scandinavian | ||
| Tacita | - | Ancient Roman | ||
| Tacitus | - | Ancient Roman | ||
| Tahmasp | - | Ancient Persian | ||
| Takhmaspa | - | Ancient Persian | ||
| Tarquinius | - | Ancient Roman | ||
| Tatianus | - | Ancient Roman | ||
| Tatius | - | Roman Mythology, Ancient Roman | ||
| Telesphoros | - | Ancient Greek |