Franklin County Airport (IATA: UOS, ICAO: KUOS, FAA LID: UOS) is a public airport located one mile (2 km) east of the central business district of Sewanee, a census-designated place in Franklin County, Tennessee, United States.

Although the airport is named "Franklin County", it is referred to as "Sewanee" over the radio on Unicom 122.8.

[citation needed] Franklin County was the home airport of late aviation legend Bill Kershner.

[2] Franklin County Airport covers an area of 70 acres (28 ha) which contains one asphalt paved runway designated 7/25 which measures 3,700 x 50 feet (1,128 x 15 m).

For the 12-month period ending December 31, 2019, the airport had 1,800 aircraft operations, 100% of which were general aviation.