Teniente Benjamín Matienzo International Airport (IATA: TUC, ICAO: SANT) is an international airport 12 kilometres (7.5 mi) east of the city of San Miguel de Tucumán in Argentina. It serves Tucumán Province in the north of the country. It was built in 1981, and its terminal was inaugurated on 12 October 1986. The airport provides four departure gates, two arrival gates, immigration and passenger services, plus the second largest cargo terminal in Argentina.

The airport is named in honor of Benjamín Matienzo who died in the first attempt to fly over the Andes to Chile.