| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Astraea | - | Greek Mythology (Latinized) | ||
| Astraia | - | Greek Mythology | ||
| Atalanta | - | Greek Mythology (Latinized) | ||
| Athanas | - | Ancient Greek | ||
| Athanasia | - | Greek, Ancient Greek | ||
| Athanasios | - | Greek, Ancient Greek | ||
| Athanasius | ath-ə-NAY-shəs (English) | Ancient Greek (Latinized) | ||
| Athena | - | Greek Mythology | ||
| Athenais | - | Ancient Greek | ||
| Athene | - | Greek Mythology | ||
| Athina | - | Greek | ||
| Atlas | AT-ləs (English) | Greek Mythology | ||
| Atropos | - | Greek Mythology | ||
| Auxentios | - | Ancient Greek | ||
| Auxentius | - | Ancient Greek (Latinized) |