Dallas Fort Worth International Airport (IATA: DFW, ICAO: KDFW, FAA LID: DFW) is the primary international airport serving the Dallas–Fort Worth metroplex and the North Texas region of the U.S. state of Texas.

It is the largest hub for American Airlines, which is headquartered near the airport, and is the third-busiest airport in the world by aircraft movements and the second-busiest airport in the world by passenger traffic in 2022 and 2023, according to the Airports Council International. As of 2021, it is the sixth-busiest international gateway in the United States and the second-busiest international gateway in Texas (behind Houston-IAH). The hub American Airlines operates at DFW is the second-largest single airline hub in the world and the United States, behind Delta Air Lines's hub in Atlanta.

Located roughly halfway between the major cities of Dallas and Fort Worth, DFW spills across portions of Dallas and Tarrant counties and includes portions of the cities of Grapevine, Irving, Euless, and Coppell. At 17,207 acres (26.89 sq mi; 69.63 km2), DFW is the second-largest airport by land area in the United States after Denver International Airport covering an area larger than Manhattan in New York City. It has its own post office ZIP Code, 75261, and United States Postal Service city designation ("DFW Airport, TX"), as well as its own police, fire protection, and emergency medical services.

DFW Airport has service to 254 destinations (191 domestic, 63 international) from 28 passenger airlines. As of April 2023, DFW Airport has service to more nonstop destinations than any other airport in North America. Every major city in the Contiguous United States can be flown to in four hours or less.