| Alice | | AL-is (English), a-LEES (French), ah-LEE-che (Italian) | English, French, Portuguese, Italian | |
| Aline | | ə-LEEN (Portuguese), ay-LEEN (English) | French, Portuguese (Brazilian), English | |
| Almir (1) | | - | Portuguese (Brazilian) | |
| Almiro | | - | Portuguese | |
| AloÍSio | | - | Portuguese | |
| Altair | | - | Astronomy, Portuguese (Brazilian) | |
| AmÁLia | | - | Hungarian, Portuguese, Slovak | |
| AmÉLia | | - | Portuguese | |
| AmÉRica | | ah-ME-ree-kah (Spanish) | Spanish, Portuguese | |
| AmÉRico | | ah-ME-ree-ko (Spanish) | Spanish, Portuguese | |
| AmÍLcar | | - | Portuguese, Spanish | |
| Amancio | | ah-MAHN-thyo (Spanish), ah-MAHN-syo (Latin American Spanish) | Spanish, Portuguese | |
| Amanda | | ə-MAN-də (English), ah-MAHN-dah (Spanish, Italian, German) | English, Spanish, Portuguese, Italian, Dutch, Swedish, Norwegian, Danish, German, Late Roman | |
| Amando | | ah-MAHN-do (Spanish, Italian) | Portuguese, Spanish, Italian | |
| AmbrÓSio | | əm-BRAW-zyoo | Portuguese | |