| 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 | |
| BÁRbara | | - | Portuguese, Spanish | |
| Balbina | | bahl-BEE-nah (Italian) | Spanish (Rare), Portuguese (Rare), Italian (Rare), Ancient Roman | |
| Balbino | | - | Spanish (Rare), Portuguese (Rare), Italian (Rare) | |
| BalduÍNo | | - | Portuguese | |
| Bartolomeu | | - | Portuguese, Galician | |
| Beatriz | | be-ah-TREETH (Spanish), be-ah-TREES (Latin American Spanish), be-a-TREES (Portuguese), be-a-TREESH (Portuguese) | Spanish, Portuguese | |
| Belinha | | - | Portuguese | |
| Benedita | | - | Portuguese | |