| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Athanasios | - | Greek, Ancient Greek | ||
| Athanasius | ath-ə-NAY-shəs (English) | Ancient Greek (Latinized) | ||
| Athaulf | - | Ancient Germanic | ||
| Athenais | - | Ancient Greek | ||
| Athol | - | Scottish | ||
| Atieno | - | Eastern African, Luo | ||
| Atif | - | Arabic | ||
| Atifa | - | Arabic | ||
| Atilius | - | Ancient Roman | ||
| Atiya | - | Arabic | ||
| Atuf | - | Arabic | ||
| Au&Eth;Rhildr | - | Ancient Scandinavian | ||
| Aubert | - | French | ||
| Aubin | - | French | ||
| Aucaman | aw-oo-kaw-MAWN | Native American, Mapuche |