Tennant Creek Airport (IATA: TCA, ICAO: YTNK) is a small regional airport located near Tennant Creek, Northern Territory, Australia.

Located one kilometre from the remote outback township of Tennant Creek, the airport caters to mining companies and small, predominantly Aboriginal, communities in the surrounding area, providing an important link for the local population with Alice Springs, Katherine, Darwin and other regional centres.

Currently the airport is served by two airlines, Fly Tiwi (Hardy Aviation) operate twice weekly services to Darwin. In June 2013, Chartair began services twice weekly to Alice Springs after receiving a subsidy from the Federal Government to operate the route under the Remote Air Services Subsidy Scheme. Both companies usually use twin-engine Cessna 402 or 441 type aircraft for flights to and from Tennant Creek. Other operations include mail flights to outlying communities, charters and aeromedical flights.