Luis Antonio Jaime of Spain (25 July 1727 – 7 August 1785), Infante of Spain, Cardinal Deacon of the titular church of Santa Maria della Scala in Rome, Archbishop of Toledo and Primate of Spain and 13th Conde de Chinchón, Grandee of Spain First Class, known as the Cardinal-Infante, was a son of Philip V, King of Spain and his second wife, Elisabeth Farnese.He is listed in the Guinness Book of World Records as the youngest-ever cardinal.