In Indiana Jones and the Temple of Doom what was name club at beginning film it an inside joke between Steven Spielberg George Lucas?

The club at the beginning of Indiana Jones and the Temple of Doom is called "The Club Obi Wan".

This is indeed an inside joke between Steven Spielberg and George Lucas, referencing the famous Jedi Master Obi-Wan Kenobi from the Star Wars universe, which Lucas created.

It's a fun little Easter egg for fans of both franchises.