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- Alba, Fernando Alvarez de Toledo, duque de, 1507-15821
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- Alfonso I King of Asturias, 693-7561
- Alfonso III, King of Asturias and Leon, approximately 848-approximately 9101
- Alfonso V, King of Aragon, 1396-14581
- Alfonso V, King of Asturias and León, 994-1027 or 10281
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- Alfonso VII, The Emperor, King of Castile, 1104-11571
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- Aljamía1
- Allegories1
- Alliata family1
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- Anaya, Pedro1
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