Juan Carlos I (; Juan Carlos Alfonso Víctor María de Borbón y Borbón-Dos Sicilias; born 5 January 1938) is a member of the Spanish royal family who reigned as King of Spain from 22 November 1975 until his abdication on 19 June 2014. In Spain, since his abdication, Juan Carlos has usually been referred to as the rey emérito ('king emeritus') by the press.

Juan Carlos is the son of