George Bush Intercontinental Airport (IATA: IAH, ICAO: KIAH, FAA LID: IAH) is an international airport in Houston, Texas, United States, serving the Greater Houston metropolitan area. Initially named Houston Intercontinental Airport upon its opening in 1969, it was renamed in honor of George H. W. Bush, the 41st president of the United States and a resident of Houston, in 1997.

Located about 23 miles (37 km) north of Downtown Houston between Interstate 45 and Interstate 69/U.S. Highway 59 with direct access to the Hardy Toll Road expressway, George Bush Intercontinental Airport has scheduled flights to a large number of domestic and international destinations covering five continents. It is the busiest airport in Texas for international passenger traffic and a number of international destinations, the second-busiest airport in Texas as of 2021 and the 15th busiest in the United States for total passenger traffic as of 2022

IAH covers 10,000 acres (40 square kilometres) of land and has five runways. Houston Intercontinental is one of the largest passenger hubs for United Airlines.