Barons | Titles by Rank
- Barons of Albufeira
- Barons of Albuquerque
- Barons of Alcalá
- Barons of Alcalalí y San Juan de Mosquera
- Barons of Alcântara-b
- Barons of Alcantarilha
- Barons of Alcobaça
- Barons of Alcochete
- Barons of Alcolea
- Barons of Aldenberg
- Barons of Aldenburg
- Barons of Alegrete
- Barons of Além Paraíba
- Barons of Alencar
- Barons of Alenquer
- Barons of Alenquer-br
- Barons of Alfarin
- Barons of Alfenas
- Barons of Alfié
- Barons of Algar del Campo
- Barons of Algerri
- Barons of Alhandra-br
- Barons of Aliança
- Barons of Allmayer-Beck
- Barons of Almargem
- Barons of Almeda
- Barons of Almedejar
- Barons of Almeida
- Barons of Almeida Galeão
- Barons of Almeida Lima
- Barons of Almeida Ramos
- Barons of Almeida Santos
- Barons of Almeida Valim
- Barons of Almeida-II
- Barons of Almeida-III
- Barons of Almeidinha
- Barons of Almeirim
- Barons of Almiserat
- Barons of Almofala
- Barons of Alpendurada
- Barons of Alquerubim
- Barons of Alt-Weichau
- Barons of Althann
- Barons of Althaus
- Barons of Alto Mearim
- Barons of Alto Muriaé
- Barons of Alvaiázere
- Barons of Alverca
- Barons of Alves da Conceição
- Barons of Alvito