| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 301 | Antaios | Greek | Variant of Antaeus: Enemy. Killed by Hercules in Greek mythology. | M | |
| 302 | Antares | Greek | The name of a giant red star; the brightest in the constellation Scorpio. | M | |
| 303 | Antea | Greek | Feminine form of Antaeus son of Poseidon. | F | |
| 304 | Anteros | Greek | Mutual love. | M | |
| 305 | Anthea | Greek | Flower; Lady of flowers. Flowery. One of the names borne by goddess Hera in Greek mythology, revived by pastoral poets in the 17th century. | F | |
| 306 | Anthia | Greek | Flower; Lady of flowers. | F | |
| 307 | Anthony | Greek | Priceless. | M | |
| 308 | Anticlea | Greek | Mother of Odysseus. | F | |
| 309 | Antigone | Greek | Daughter of Oedipus. | F | |
| 310 | Antilochus | Greek | Son of Nestor. | M | |
| 311 | Antinous | Greek | One of Penelope's suitors. | M | |
| 312 | Antiope | Greek | Daughter of Asopus. | F | |
| 313 | Antiphates | Greek | A Cyclops. | M | |
| 314 | Anton | Greek | Priceless. | M | |
| 315 | Antony | Greek | Priceless. | M | |
| 316 | Antropas | Greek | A Fate. | F | |
| 317 | Antti | Greek | Manly. | M | |
| 318 | Anya | Greek | Variant of Anna: A variant of Hannah. In Virgil's Aeneid', Anna was sister of Dido, Queen of Carthage. According to an apocryphal gospel, Anna was also the mother of the Virgin Mary. | F | |
| 319 | Anysia | Greek | Complete. | F | |
| 320 | Aonghas | Greek | Unique choice. | M | |