McMinn County Airport (IATA: MMI, ICAO: KMMI, FAA LID: MMI) is a county-owned, public-use airport located three nautical miles (6 km) southeast of the central business district of Athens, a city in McMinn County, Tennessee, United States.

[1] McMinn County Airport covers an area of 210 acres (85 ha) at an elevation of 874 feet (266 m) above mean sea level.

[1] For the 12-month period ending June 22, 2023, the airport had 22,575 aircraft operations, an average of 62 per day: 93% general aviation, 7% air taxi and <1% military.

At that time there were 39 aircraft based at this airport: 35 single-engine, 2 multi-engine, 1 jet, and 1 helicopter.

[1] The fixed-base operator at McMinn County airport is Athens Air, LLC.