List of Castilian monarchs


 * See also List of Castilian consorts

This is a list of kings and queens of the Kingdom and Crown of Castile. For their predecessors, see List of Castilian counts.

House of Ivrea
The follow dynasts are descendants, in the male line, of Urraca's first husband, Raymond of Burgundy.

Claimants as King of Castile and Léon
John of Gaunt a great great grandson of Ferdinand III of Castile claimed the title of King of Castile and Léon by virtue of his marriage to Constance, daughter of Peter of Castile. He conducted several military actions, borrowing heavily from London merchants, to solidify his title, without success.

House of Trastámara
Henry II was the illegitimate son of Alfonso XI. He was made count of Trastámara.

House of Habsburg
The Crown of Castile existed on its own right within the Spanish crown and with its own law until the arrival of the Bourbon dynasty after the War of Spanish Succession.

Suggested reading

 * Barton, Simon. The Aristocracy in Twelfth-Century León and Castile. Cambridge University Press, 1997. Appendix I: "The Counts of Twelfth Century León and Castile and Aragon, pp. 235–302.