| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Aquilina | - | Ancient Roman | ||
| Aquilinus | - | Ancient Roman | ||
| Ara | - | Armenian, Armenian Mythology | ||
| Arabella | - | English | ||
| Arabinda | - | Bengali, Indian, Odia | ||
| Aram (2) | - | Armenian | ||
| Aramazd | - | Armenian Mythology | ||
| Araminta | - | English (Rare) | ||
| Ararat | - | Armenian | ||
| Arax | - | Armenian | ||
| Arcadius | - | Ancient Greek (Latinized) | ||
| Archelaos | - | Ancient Greek, Biblical Greek | ||
| Archelaus | ahr-kee-LAY-əs (English) | Ancient Greek (Latinized), Biblical Latin, Biblical | ||
| Archembald | - | Ancient Germanic | ||
| Archer | - | English |