| Acantha | | ə-KAN-thə (English) | Greek Mythology (Latinized) | |
| Achilles | | ə-KIL-eez (English) | Greek Mythology (Latinized) | |
| Achilleus | | - | Greek Mythology | |
| Adad | | - | Near Eastern Mythology | |
| Adonis | | ə-DAH-nəs (English), ə-DO-nəs (English) | Greek Mythology | |
| Adrastea | | - | Greek Mythology (Latinized) | |
| Adrasteia | | - | Greek Mythology | |
| Adrastos | | - | Greek Mythology | |
| Aegle | | - | Greek Mythology (Latinized) | |
| Aella | | - | Greek Mythology | |
| Aeneas | | i-NEE-əs (English) | Roman Mythology | |
| Aeolus | | EE-ə-ləs (English) | Greek Mythology (Latinized) | |
| Aeron (2) | | - | Welsh Mythology | |
| Aeson | | - | Greek Mythology (Latinized) | |
| Agamemnon | | ag-ə-MEM-nahn (English) | Greek Mythology | |