| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1 | Abderus | Greek | A friend of Hercules. | M | |
| 2 | Absyrtus | Greek | Brother of Medea. | M | |
| 3 | Abydos | Greek | From Abydos. | M | |
| 4 | Acastus | Greek | An Argonaut. | M | |
| 5 | Acestes | Greek | A Trojan king from Greek mythology. | M | |
| 6 | Achates | Greek | Figure in ancient Greek mythology who was the companion of Aeneas. | M | |
| 7 | Achelous | Greek | A river god. | M | |
| 8 | Acheron | Greek | River of sorrow/woe. | M | |
| 9 | AchiIles | Greek | Lipless. | M | |
| 10 | Achilles | Greek | The mythological hero of the Trojan War famous for his valor and manly beauty - his only weak spot was his ankle (hence Achilles' Heel). | M | |
| 11 | Acis | Greek | Lover of Galatea. | M | |
| 12 | Acrisius | Greek | Grandfather of Perseus. | M | |
| 13 | Actaeon | Greek | In ancient Greek mythology Actaeon was a hunter dismembered by his own dogs. | M | |
| 14 | Acteon | Greek | A hunter dismembered by his own dogs. | M | |
| 15 | Adad | Greek | Storm and flood god. | M | |
| 16 | Adapa | Greek | Figure in ancient Greek mythology. | M | |
| 17 | Admetus | Greek | A king of Pherae. | M | |
| 18 | Adonis | Greek | Handsome; a lord. Greek mythology; a youth beloved of Aphrodite. | M | |
| 19 | Adras | Greek | Manly. | M | |
| 20 | Adrastus | Greek | One of the attackers in 'The Seven Against Thebes'. | M | |