Dr. Alonso Núñez de Haro y Peralta (October 31, 1729, Villagarcía del Llano, Cuenca Province, Spain – May 26, 1800, Mexico City) was archbishop of Mexico from September 12, 1772 to May 26, 1800, and viceroy of New Spain from May 8, 1787 to August 16, 1787.