Monroe County Airport (IATA: BMG, ICAO: KBMG, FAA LID: BMG) is a county-owned public-use airport located four nautical miles (7 km) southwest of the central business district of Bloomington, a city in Monroe County, Indiana, United States.

Monroe County Airport covers an area of 1,035 acres (419 ha) at an elevation of 845 feet (258 m) above mean sea level.

Additionally, the airport serves as a base for over ten hot air balloons, expanding the range of aerial activities available.

Commercial carriers offered scheduled service to and from Monroe County Airport until the late 1990s.

After the loss of these subsidies, it was no longer economically viable for commercial carriers to operate at Monroe County Airport.