| AntÔNio | | - | Portuguese (Brazilian) | |
| Antelmo | | - | Spanish, Portuguese, Italian | |
| ApolÓNia | | ə-poo-LAW-nyə | Portuguese | |
| ApolÔNia | | ə-poo-LAW-nyə | Portuguese (Brazilian) | |
| Aristides | | ah-ree-STEE-dhes (Spanish), ə-reesh-TEE-dəsh (Portuguese), ə-reesh-CHEE-jəsh (Brazilian Portuguese) | Ancient Greek (Latinized), Spanish, Portuguese | |
| Armando | | ahr-MAHN-do (Spanish, Italian) | Spanish, Italian, Portuguese | |
| Arsenio | | ahr-SE-nyo (Spanish, Italian) | Spanish, Portuguese, Italian | |
| Artur | | ər-TOOR (Portuguese), ar-TOOR (Galician), AHR-tuwr (Polish), AHR-toor (German) | Portuguese, Galician, Catalan, Polish, Russian, German, Estonian, Swedish, Romanian, Czech | |
| AssunÇÃO | | - | Portuguese | |
| AtÍLio | | - | Portuguese | |
| Augusta | | ow-GUWS-tah (German, Polish), ow-GOOS-tah (Italian), ə-GUS-tə (English) | German, Italian, Portuguese, Polish, Dutch, English, Ancient Roman | |
| Augusto | | ow-GOOS-to (Spanish) | Spanish, Italian, Portuguese | |
| AurÉLio | | - | Portuguese | |
| Aurora | | ow-RO-rah (Spanish), ə-RAWR-ə (English), OW-ro-rah (Finnish) | Italian, Spanish, Portuguese, English, German, Romanian, Finnish, Roman Mythology | |