| Adelmar | | - | Ancient Germanic, Portuguese (Brazilian) | |
| Adolf | | AH-dawlf (German), AH:-dawlf (Dutch) | German, Dutch, Swedish, Norwegian, Danish, Czech, Ancient Germanic | |
| Adolphus | | - | Ancient Germanic (Latinized) | |
| Aenor | | - | Ancient Germanic (Latinized) | |
| Aeschylus | | ES-kəl-əs (English) | Ancient Greek (Latinized) | |
| Aesop | | EE-sahp (English) | Ancient Greek (Anglicized) | |
| Agape | | - | Greek, Ancient Greek | |
| Agapetos | | - | Ancient Greek | |
| Agapetus | | - | Ancient Greek (Latinized) | |
| Agapios | | - | Greek, Ancient Greek | |
| Agatha | | AG-ə-thə (English) | English, Ancient Greek (Latinized) | |
| Agathe | | a-GAHT (French), ah-GAH-tə (German), ah-gah-te (Ancient Greek) | French, German, Norwegian, Danish, Greek, Ancient Greek | |
| Agathon | | - | Ancient Greek | |
| Agi | | - | Ancient Germanic | |
| Agilulf | | - | Ancient Germanic | |