Juan de Leyva y de la Cerda, 5th Marquess of Adrada, iure uxoris 2nd Count of Baños (February 2, 1604, Alcalá de Henares – March 27, 1678, Guadalajara, Spain) was a Spanish nobleman and viceroy of New Spain from September 16, 1660 to June 28, 1664.