| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Atem | - | Egyptian Mythology | ||
| Aten | AH-tən (English) | Egyptian Mythology | ||
| Athanaric | - | Ancient Germanic | ||
| Athanas | - | Ancient Greek | ||
| Athanasia | - | Greek, Ancient Greek | ||
| Athanasios | - | Greek, Ancient Greek | ||
| Athanasius | ath-ə-NAY-shəs (English) | Ancient Greek (Latinized) | ||
| Athaulf | - | Ancient Germanic | ||
| Athenais | - | Ancient Greek | ||
| Atieno | - | Eastern African, Luo | ||
| Atilio | ah-TEEL-yo | Spanish | ||
| Atilius | - | Ancient Roman | ||
| Aton | AH-tən (English) | Egyptian Mythology | ||
| Atse | - | Frisian | ||
| Atsuko | ah-tsoo-ko | Japanese |