Lubbock Preston Smith International Airport (IATA: LBB, ICAO: KLBB, FAA LID: LBB) is five miles north of Lubbock, in Lubbock County, Texas, United States. Originally Lubbock International Airport, it was renamed in 2004 for former Texas governor Preston E. Smith, an alumnus of Texas Tech University.

The National Plan of Integrated Airport Systems for 2011–2015 classifies it as a primary commercial service airport. Federal Aviation Administration records say the airport had 520,181 passenger boardings (enplanements) in calendar year 2019, and 487,000 in 2018.

The airport is the eighth-busiest airport in Texas. Lubbock International is first among the smaller Texas cities (behind both Dallas airports, both Houston airports, San Antonio, Austin, and El Paso). Lubbock Preston Smith International Airport is a hub for FedEx and UPS feeder planes to cities around the South Plains.