List of dukes in the peerage of Spain

This is a list of the 154 present and extant royal and non-royal dukes in the peerage of the Kingdom of Spain. The oldest six titles – created between 1380 and 1476 – were Duke of Medina Sidonia (1380), Duke of Alburquerque (1464), Duke of Segorbe (1469), Duke of Alba (1472), Duke of Escalona (1472), and Duke of Infantado (1475).

List of dukes in the peerage of Spain

This is a list of the 154 present and extant royal and non-royal dukes in the peerage of the Kingdom of Spain. The oldest six titles – created between 1380 and 1476 – were Duke of Medina Sidonia (1380), Duke of Alburquerque (1464), Duke of Segorbe (1469), Duke of Alba (1472), Duke of Escalona (1472), and Duke of Infantado (1475).