| Aroldo | | ah-ROL-do | Italian | |
| Aron | | AH-rawn (Polish), AH-ron (Croatian) | Polish, Croatian, Swedish, Norwegian, Danish, Icelandic | |
| Arrigo | | ahr-REE-go | Italian | |
| Arsen | | - | Armenian | |
| Arseni | | ahr-SYE-nee | Russian | |
| Arsenio | | ahr-SE-nyo (Spanish, Italian) | Spanish, Portuguese, Italian | |
| Arsenios | | - | Ancient Greek | |
| Arsenius | | - | Ancient Greek (Latinized) | |
| Arseniy | | ahr-SYE-nee | Russian | |
| ArtŪRas | | - | Lithuanian | |
| ArtŪRs | | - | Latvian | |
| ArtÚR | | - | Hungarian | |
| Artakhshathra | | - | Ancient Persian | |
| Artaxerxes | | - | Ancient Persian (Hellenized), History, Biblical | |
| Artem | | - | Ukrainian, Belarusian, Russian | |