Originally Posted by
shoeless1920
SNA (Santa Ana, CA) was renamed for John Wayne in 1979 with no effect on the airport's IATA code. Its previous name was Orange County Airport.
In a similar vein is Burbank Airport ("BUR"). Since WWII it's been called:
Burbank,
Hollywood Burbank (current official moniker),
Burbank Glendale Pasadena,
Lockheed Air Terminal, and
Bob Hope. AFAIK the IATA Code has always been "BUR".