| Adeodatus | | - | Late Roman | |
| Aegidius | | - | Late Roman | |
| Afra (1) | | - | Late Roman | |
| Amabilia | | - | Late Roman | |
| Amabilis | | - | Late Roman | |
| Amadeus | | ahm-ə-DAY-əs (English), ahm-ə-DEE-əs (English) | Late Roman | |
| Amanda | | ə-MAN-də (English), ah-MAHN-dah (Spanish, Italian, German) | English, Spanish, Portuguese, Italian, Dutch, Swedish, Norwegian, Danish, German, Late Roman | |
| Amandus | | - | Late Roman | |
| Amantius | | - | Late Roman | |
| Amata | | - | Late Roman | |
| Amator | | - | Late Roman | |
| Amatus | | - | Late Roman | |
| Amor | | - | Roman Mythology, Late Roman, Spanish, Portuguese | |
| Anatolia | | - | Late Roman | |
| Angela | | AN-jəl-ə (English), AHN-je-lah (Italian), AHNG-ge-lah (German) | English, Italian, German, Dutch, Romanian, Slovene, Slovak, Russian, Macedonian, Late Roman | |