List of Castilian royal consorts

This is a list of the queens consort and kings consort of the Kingdom of Castile, and later, Crown of Castile.

It is, in part, a continuation of the list of Asturian royal consorts and the list of Leonese royal consorts.

House of Habsburg
At 1556, the union of the Spanish kingdoms is generally called Spain and Mary I of England (second wife of Philip II) is listed as the first Queen consort of Spain.