Goldthwaite Municipal Airport (FAA LID: T37) is a public airport in Goldthwaite, Mills County, Texas, United States, located 2 nautical miles (3.7 km) southwest of the central business district.

[3] The airport is used solely for general aviation purposes.

In 2015, 10 T-hangars, a hangar apron, an access road, and a garage storage area for a courtesy car were constructed, and a fly-in golf program was offered in partnership with the adjacent golf course.

[4] Goldthwaite Municipal Airport covers 62 acres (25 ha) at an elevation of 1,457.0 feet (444.1 m) above mean sea level (AMSL), and has one runway: For the 12-month period ending 13 September 2017, the airport had 2,700 aircraft operations, an average of 7 per day: 100% general aviation.

At that time there were 9 aircraft based at this airport, all single-engine, with no multi-engine, ultralights, helicopters, jets, or gliders.