Tianshui Maijishan Airport (IATA: THQ, ICAO: ZLTS), or Tianshui Air Base, is a dual-use military and civil airport serving the city of Tianshui in Gansu Province, China. It is located in Maiji District of Tianshui, 50 kilometres (31 miles) from the tourist destination of Maijishan after which it is named.

Originally a military airfield, it was converted in 2008 to a dual-use military and civil airport with an investment of 64 million yuan. The airport was opened to commercial flights on September 28, 2008.

The airport, which is restricted between the two urban cores of the city, will be replaced by a new dual-use airport, to be located 20 km west, near Zhongliang Town. The new airport will measure 4 km2, and have a 3,200 m (10,500 ft) runway. Construction of the new airport started on 26 September 2020.