The Theme Building is a structure at Los Angeles International Airport (LAX), considered an architectural example of the Space Age design style. Influenced by "Populuxe" architecture, it is an example of the Mid-century modern design movement later to become known as "Googie". The Airport Theme Building Exterior and Interior was designated as a historic-cultural monument in 1993 by the city.

Los Angeles International Airport is the primary international airport serving Los Angeles and its surrounding metropolitan area in California, United States. LAX is located in the Westchester neighborhood of the city of Los Angeles, 18 miles southwest of Downtown Los Angeles, with the commercial and residential areas of Westchester to the north, the city of El Segundo to the south and the city of Inglewood to the east. LAX is the closest airport to the Westside and the South Bay.