Beijing Daxing International Airport (IATA: PKX, ICAO: ZBAD) is one of two international airports serving Beijing, the capital of China (the other being Beijing Capital International Airport).

The airport is located on the border of Beijing and Langfang, Hebei. It has been nicknamed "the starfish". It was completed on June 30, 2019, and began operations on September 26, 2019. Beijing Daxing covers an expanse of 2,679 hectares (6,620 acres) and has four civilian runways and one military runway.

The airport is 46 kilometers (29 mi) south of Tiananmen Square, 26 kilometers (16 mi) west of downtown Langfang, 50 kilometers (31 mi) northeast of Xiong'an New Area, and 65 kilometers (40 mi) south of Beijing Capital International Airport, and serves Beijing, Tianjin and Hebei. It is a hub for SkyTeam alliance airlines and some Oneworld members, while Hainan Airlines and most Star Alliance members have remained at Beijing Capital International Airport.

After almost five years of construction, the CN¥ 80 billion (US$11.4 billion) facility features a 700,000 m2 (7,500,000 sq ft) terminal, the world's largest single-building airport terminal, and sits on 47 km2 (18 sq mi) of land. The airport won awards for best hygiene measures and best in size and region in 2020, and both awards plus Voice of the Customer in 2021 by Airports Council International.