| Hippolytos | | - | Greek Mythology, Ancient Greek | |
| Hormazd | | HOR-mazd | Persian Mythology | |
| Horos | | - | Egyptian Mythology (Hellenized) | |
| Horus | | HAWR-əs (English) | Egyptian Mythology (Latinized) | |
| Huitzilopochtli | | - | Aztec And Toltec Mythology | |
| Huld | | - | Norse Mythology | |
| Hulda (1) | | HUWL-dah (German) | Icelandic, Swedish, Norwegian, Danish, German, Norse Mythology | |
| Hvare Khshaeta | | - | Persian Mythology | |
| Hyacinth (1) | | HIE-ə-sinth (English) | Greek Mythology (Anglicized) | |
| Hyacinthus | | - | Greek Mythology (Latinized), Ancient Greek (Latinized) | |
| Hyakinthos | | - | Greek Mythology, Ancient Greek | |
| Hyperion | | - | Greek Mythology | |
| I&Eth;Unn | | - | Norse Mythology, Ancient Scandinavian | |
| Iacchus | | - | Greek Mythology (Latinized) | |
| Iah | | - | Egyptian Mythology | |