| Apollonios | | - | Ancient Greek | |
| Apostol | | - | Bulgarian, Macedonian | |
| Apphia | | AF-ee-ə (English), AP-fee-ə (English) | Biblical | |
| Appius | | AP-pi-uws (Ancient Roman), AP-ee-əs (English) | Ancient Roman | |
| Aputsiaq | | - | Native American, Greenlandic | |
| Aqil | | - | Arabic | |
| Aqila | | - | Arabic | |
| 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 | |