The Spanish nobility are people who possess a title of nobility confirmed by the Spanish Ministry of the Presidency, Justice and Relations with the Cortes, as well as those individuals appointed to one of Spain's three highest orders of knighthood, the Order of the Golden Fleece, the Order of Charles III and the Order of Isabella the Catholic. Some member of the Spanish nobility possess various titles that may be inherited or not, but the creation and recognition of titles is legally the prerogative of the Monarchy of Spain.

Infante Juan, Count of Barcelona, was a claimant to the Spanish throne as Juan III. He was the third son and designated heir of King Alfonso XIII of Spain and Queen Victoria Eugenie of Battenberg. His father was replaced by the Second Spanish Republic in 1931. Juan's son Juan Carlos I became king when Spain's constitutional monarchy was restored in 1975.