Orlando Sanford International Airport is in Sanford, Florida, United States, near Orlando. It was built as Naval Air Station Sanford, a Master Jet Base for carrier-based attack and reconnaissance aircraft, and was used by the U.S. Navy until 1969. The airport is owned and operated by the Sanford Airport Authority. It serves as an operating base for Allegiant Air.

Sanford is a city and the county seat of Seminole County, Florida. It is located in Central Florida and its population was 61,051 as of the 2020 census. It is part of the Orlando–Kissimmee–Sanford Metropolitan Statistical Area.