| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 381 | Artimas | Greek | Variant of Artemus: Follower/gift of Artemis (Greek goddess of the hunt and counterpart of the Roman Diana). | M | |
| 382 | Artimis | Greek | Variant of Artemus: Follower/gift of Artemis (Greek goddess of the hunt and counterpart of the Roman Diana). | M | |
| 383 | Artimus | Greek | Variant of Artemus: Follower/gift of Artemis (Greek goddess of the hunt and counterpart of the Roman Diana). | M | |
| 384 | Ary | Greek | Diminutive of Aristotle: Superior; best of thinkers. Famous Bearers: ancient Greek philosopher Aristotle, and Greek shipping tycoon Aristotle Onassis. | M | |
| 385 | Asariel | Greek | He who guards Pisceans. | M | |
| 386 | Ascalaphus | Greek | Turned into an owl by Persephone. | M | |
| 387 | Ascanius | Greek | Figure in ancient Greek mythology. | M | |
| 388 | Asklepios | Greek | God of medicine. | M | |
| 389 | Asopus | Greek | A river god. | M | |
| 390 | Aspasia | Greek | Welcome. Famous bearer: Aspasia was a 5th century BC mistress of the Athenian statesman Pericles.Welcomed. | F | |
| 391 | Asta | Greek | Star. | F | |
| 392 | Astra | Greek | Star. | F | |
| 393 | Astraea | Greek | Justice. | F | |
| 394 | Astraeus | Greek | Starry one. | M | |
| 395 | Astrea | Greek | Star. | F | |
| 396 | Astyanax | Greek | King of the city. Son of Hector killed at Troy. | M | |
| 397 | Atalanta | Greek | A huntress. | F | |
| 398 | Atalante | Greek | A huntress. | F | |
| 399 | Ate | Greek | Goddess of irrationality. | F | |
| 400 | Athamas | Greek | Father of Phrixus and Helle. | M | |