Northwest Arkansas National Airport (IATA: XNA, ICAO: KXNA, FAA LID: XNA) is in Northwest Arkansas in Benton County, Arkansas, United States, 15 nautical miles (28 km; 17 mi) northwest of Fayetteville and 10 nautical miles (19 km; 12 mi) northwest of Springdale. It is often referred to by its IATA code, which is incorporated in the airport's logo as "Fly XNA".

XNA covers 2,680 acres (1,085 ha) of land and has two parallel 8,800 foot runways.

It sees year-round, daily nonstop jets to major cities such as Charlotte, Chicago, Denver, Houston, Dallas/Fort Worth, Los Angeles, Miami, Minneapolis/St. Paul, New York City, and Washington D.C. Much of its business is attributable to the presence of the world's largest company by revenue, Walmart, in nearby Bentonville, as well as Tyson Foods in Springdale. It is also frequently used by athletic teams at the University of Arkansas traveling to away games and Razorback opponents visiting Fayetteville.

Federal Aviation Administration records say the airport had 547,871 passenger boardings (enplanements) in calendar year 2008, 530,087 in 2009 and 549,195 in 2010. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2019–2023, in which it is categorized as a small-hub primary commercial service facility.