| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Aneurin | - | Welsh | ||
| Angharad | - | Welsh, Welsh Mythology | ||
| Anwen | - | Welsh | ||
| Aranrhod | - | Welsh, Welsh Mythology | ||
| Arawn | - | Welsh Mythology | ||
| Arianrhod | - | Welsh, Welsh Mythology | ||
| Arthur | AHR-thər (English), ar-TUYR (French), AHR-toor (German), AHR-tur (Dutch) | English, French, German, Dutch, Norwegian, Danish, Swedish, Welsh Mythology, Arthurian Romance | ||
| Arwel | - | Welsh | ||
| Arwyn | - | Welsh | ||
| Awstin | OW-stin | Welsh |