The San Cristóbal of Huamanga National University (in Spanish, Universidad Nacional de San Cristóbal de Huamanga) is a public university located in the city of Ayacucho (formerly known as Huamanga) in southern Peru. The university was established in 1677 by Cristóbal de Castilla y Zamora, the Catholic archbishop of La Plata o Charcas. Until it was closed in the mid-19th century, it operated mostly as a seminary for the training of Catholic priests. The government of Perú reopened it in 1959 as a national university. The rector of the university is Homero Ango Aguilar, a biologist.