| Acantha | | ə-KAN-thə (English) | Greek Mythology (Latinized) | |
| Achilles | | ə-KIL-eez (English) | Greek Mythology (Latinized) | |
| Adrastea | | - | Greek Mythology (Latinized) | |
| Aegle | | - | Greek Mythology (Latinized) | |
| Aeolus | | EE-ə-ləs (English) | Greek Mythology (Latinized) | |
| Aeson | | - | Greek Mythology (Latinized) | |
| Aglaea | | - | Greek Mythology (Latinized) | |
| Ajax | | AY-jaks (English) | Greek Mythology (Latinized) | |
| Alcides | | - | Greek Mythology (Latinized), Portuguese, Spanish | |
| Alcippe | | - | Greek Mythology (Latinized) | |
| Alcmene | | - | Greek Mythology (Latinized) | |
| Alcyone | | al-SIE-ə-nee (English) | Greek Mythology (Latinized) | |
| Alecto | | - | Greek Mythology (Latinized) | |
| Althea | | - | Greek Mythology (Latinized) | |
| Amalthea | | - | Greek Mythology (Latinized) | |