Juan Núñez de Prado (grand master of Calatrava)

Juan Núñez de Prado (Portuguese: João Nunes de Prado; died 1355), illegitimate son of Infanta Blanche of Portugal and a Portuguese nobleman named Pedro Nunes Carpinteyro, was a nobleman in the 14th century who became Master of the Order of Calatrava in 1325 after leading a revolt against the former Master. There was a prolonged dispute before his position was recognized. After he fell out of favor with King Peter of Castile he was removed from office and murdered.