| SauliĀ | | - | Baltic Mythology (Hypothetical) | |
| Sedna | | - | Mythology | |
| Selena | | - | Spanish, Russian, Greek Mythology (Latinized) | |
| Selene | | sə-LEE-nee (English) | Greek Mythology, Greek | |
| Semele | | - | Greek Mythology | |
| Seppo (1) | | SEP-po (Finnish) | Finnish, Finnish Mythology | |
| Set | | SET (English), SAYT (English) | Egyptian Mythology (Hellenized) | |
| Seth (2) | | SET (English), SAYT (English) | Egyptian Mythology (Hellenized) | |
| Shahrivar | | - | Persian Mythology | |
| Siavash | | - | Persian, Persian Mythology | |
| Siegfried | | ZEEK-freet (German) | German, Germanic Mythology | |
| Sieglinde | | - | German, Germanic Mythology | |
| Sif | | SEEF (Norse Mythology) | Norse Mythology, Danish, Icelandic | |
| SignÝ | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |
| SigrÚN | | - | Ancient Scandinavian, Norse Mythology, Icelandic | |