Cesáreo Chacaltana Reyes (February 25, 1845 – November 14, 1906) was a Peruvian lawyer, jurist, diplomat and politician.
He graduated from the National University of San Marcos and served on its faculty.
He served as minister of foreign affairs and interior in the Government of Peru, and also served as Minister to Argentina, Uruguay, Paraguay, and Chile.
He served twice as Prime Minister of Peru (August–November 1894, September 1901 – August 1902) and briefly second vice president of Peru from 1894 to 1895.
[1] He served as the President of the Chamber of Deputies from 1904 to 1905.