DuBois Regional Airport (IATA: DUJ, ICAO: KDUJ, FAA LID: DUJ), formerly known as DuBois–Jefferson County Airport, is a public use airport in Jefferson County, Pennsylvania, United States. It is located seven nautical miles (13 km) northwest of the central business district of Dubois, a city in Clearfield County. The airport is on Pennsylvania Route 830 in Washington Township. It is owned and operated by the Clearfield-Jefferson Counties Regional Airport Authority, based at the airport. It is mostly used for general aviation, but has scheduled service on one airline, Silver Airways, which has a maintenance base at the airport.