A
- Count of Abrantes
- Count of Agarez
- Count of Agrolongo
- Count of Águeda
- Count of Aguiar
- Count of Albuquerque
- Count of Alcáçovas
- Count of Alcântara
- Count of Alcoutim
- Count of Alegrete
- Count of Alentém
- Count of Alferrarede
- Count of Alhandra
- Count of Almada
- Count of Almarjão
- Count of Almedina
- Count of Almeida
- Count of Almeida Araújo
- Count of Almendra
- Count of Almoster
- Count of Alpedrinha
- Count of Alpendurada
- Count of Alte
- Count of Alto Mearim
- Count of Alva
- Count of Alvelos
- Count of Alves Machado
- Count of Alviela
- Count of Alvito
- Count of Alvor
- Count of Amarante
- Count of Ameal
- Count of Anadia
- Count of Antas
- Count of Arcos
- Count of Arganil
- Count of Arge
- Count of Ariz
- Count of Armamar
- Count of Armil
- Count of Arnoso
- Count of Arraiolos
- Count of Arriaga
- Count of Arrochela
- Count of Assumar
- Count of Atalaia
- Count of Atouguia
- Count of Aurora
- Count of Aveiras
- Count of Avelar
- Count of Ávila
- Count of Avilez
- Count of Avintes
- Count of Avranches
- Count of Azambuja
- Count of Azarujinha
- Count of Azenha
- Count of Azevedo
- Count of Azevedo e Silva
- Count of Azinhaga
- Count of Azinhoso
Read more about this topic: List Of Countships In Portugal