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.

Googie architecture is a type of futurist architecture influenced by car culture, jets, the Atomic Age and the Space Age. It originated in Southern California from the Streamline Moderne architecture of the 1930s, and was popular in the United States from roughly 1945 to the early 1970s.