| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Arlo | Latin | Strong; manly. | M | |
| 162 | Arruns | Latin | Killed Turnus. | M | |
| 163 | Aruns | Latin | Killed Turnus. | M | |
| 164 | Arval | Latin | From the cultivated land. | M | |
| 165 | Arvalis | Latin | From the cultivated land. | M | |
| 166 | Ascanius | Latin | Son of Aeneas. | M | |
| 167 | Asclepius | Latin | God of medicine. | M | |
| 168 | Astynax | Latin | Son of Hector. | M | |
| 169 | Atabulus | Latin | Southeastem wind. | M | |
| 170 | Athamas | Latin | Brother of Sisyphus. | M | |
| 171 | Atlas | Latin | A Titan. | M | |
| 172 | Atreus | Latin | Father of Agamemnon. | M | |
| 173 | Atrides | Latin | Descended from Atreus. | M | |
| 174 | Attalus | Latin | Name of a king. | M | |
| 175 | Attis | Latin | Name of a priest. | M | |
| 176 | Aubin | Latin | White. | M | |
| 177 | Aubyn | Latin | White. | M | |
| 178 | Auerlio | Latin | Go!den. | M | |
| 179 | Aufidus | Latin | From the river Apulia. | M | |
| 180 | Augeas | Latin | King of Elis. | M | |