| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 41 | Aegaeus | Latin | From the Aegean sea. | M | |
| 42 | Aegeus | Latin | From the Aegean sea. | M | |
| 43 | Aegidius | Latin | A Latin name based on the Greek word for kid or goatskin. | M | |
| 44 | Aegisthus | Latin | Cousin of Agamemnon. | M | |
| 45 | Aegyptus | Latin | Brother of Daunus. | M | |
| 46 | Aemilianus | Latin | From the Roman clan name Aemilius. | M | |
| 47 | Aemilius | Latin | Roman family clan name. | M | |
| 48 | Aeneades | Latin | Descended from Aeneas. | M | |
| 49 | Aeneas | Latin | Excellent. | M | |
| 50 | Aeolius | Latin | Mythical keeper of the winds. | M | |
| 51 | Aeolus | Latin | Mythical keeper of the winds. | M | |
| 52 | Aeschylus | Latin | Athenian poet. | M | |
| 53 | Aesclapius | Latin | God of medicine. | M | |
| 54 | Aesculapius | Latin | God of medicine. | M | |
| 55 | Aeson | Latin | Father of Jason. | M | |
| 56 | Aethiops | Latin | An Ethiopian. | M | |
| 57 | Agostino | Latin | Variant of August: Deserving of respect. | M | |
| 58 | Agosto | Latin | Variant of August: Deserving of respect. | M | |
| 59 | Agoston | Latin | Majestic. | M | |
| 60 | Agrippa | Latin | Colonist. | M | |