San Mateo is a town and municipality in the Northern Boyacá Province, part of the Colombian department of Boyacá. The urban centre is located at an altitude of 2500 m in the Eastern Ranges of the Colombian Andes. San Mateo borders Guacamayas, Panqueba and El Cocuy in the east, Boavita in the west, Macaravita, Santander in the north and La Uvita in the south.
Before 1914, San Mateo was called La Capilla. It received its present name honouring the San Mateo field, where Antonio Ricaurte, hero of the Independence of Colombia died for the fatherland.