Orlando International Airport (IATA: MCO, ICAO: KMCO) is a major public airport located six miles southeast of Orlando, Florida, United States. In 2017, MCO handled 44,611,265 passengers making it the busiest airport in the state of Florida and the eleventh busiest airport in the United States.

The airport code MCO stands for the airport's former name, McCoy Air Force Base, a Strategic Air Command (SAC) installation, that was closed in 1975.