| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Attila | ə-TIL-ə (English) | History, Hungarian | ||
| Attilio | - | Italian | ||
| Atum | - | Egyptian Mythology | ||
| AuŠRa | - | Lithuanian | ||
| Au&Eth;Rhildr | - | Ancient Scandinavian | ||
| Aucaman | aw-oo-kaw-MAWN | Native American, Mapuche | ||
| Auda | - | Ancient Germanic | ||
| Audamar | - | Ancient Germanic | ||
| Audhild | - | Norwegian | ||
| Audo | - | Ancient Germanic | ||
| Audovacar | - | Ancient Germanic | ||
| Audra (1) | - | Lithuanian | ||
| August | OW-guwst (German, Polish), AW-gəst (English) | German, Polish, Swedish, Norwegian, Danish, Catalan, English | ||
| Augusta | ow-GUWS-tah (German, Polish), ow-GOOS-tah (Italian), ə-GUS-tə (English) | German, Italian, Portuguese, Polish, Dutch, English, Ancient Roman | ||
| Augustas | - | Lithuanian |