| Aqissiaq | | - | Native American, Greenlandic | |
| Aquila | | ə-KWIL-ə (English), AK-wil-ə (English) | Biblical, Ancient Roman | |
| Aquilina | | - | Ancient Roman | |
| Aquilinus | | - | Ancient Roman | |
| Aran (2) | | - | Biblical, Biblical Hebrew | |
| Arcadius | | - | Ancient Greek (Latinized) | |
| Archelaos | | - | Ancient Greek, Biblical Greek | |
| Archelaus | | ahr-kee-LAY-əs (English) | Ancient Greek (Latinized), Biblical Latin, Biblical | |
| Archembald | | - | Ancient Germanic | |
| Archibald | | AHR-chə-bawld | Scottish, English | |
| Archie | | AHR-chee | Scottish, English | |
| Archimedes | | - | Ancient Greek | |
| Archippos | | - | Ancient Greek | |
| Areli | | ay-REE-lie (English) | Biblical | |
| Arend | | - | Dutch, German | |