Juan Ramón Folch de Cardona y Ximenez de Arenós, (9 January 1418 – 1485) the 4th Count of Cardona and
Viceroy of Sicily (1477–1479) was the son of Juan Ramon Folch de Cardona y Aragón, (14 June 1400 – 1471). He became, at the age of four years, 1st Viscount of Vilamur in 1404. Almost twenty years later, on 22 May 1423, he was made 3rd Count of Cardona, Admiral of Aragon by the
Lieutenant of Aragon and queen in charge of Aragonese–Catalan affairs on behalf of her absent husband,
Alfonso V of Aragon, who resided at
Naples,
Italy, and Juana Gonzalva Ximenez de Arenós, Countess of
Prades, Lady of the Barony of
Entenza, sister of the
Margerida de Prades who married the aged and ailing King
Martin I of Aragon.