Charlie Chan at Treasure Island is a 1939 American film directed by Norman Foster, starring Sidney Toler as the fictional Chinese-American detective Charlie Chan, that takes place on Treasure Island during San Francisco's Golden Gate International Exposition (1939-1940).

Norman Foster was an American film director, screenwriter and actor. He directed many Charlie Chan and Mr. Moto films as well as projects for Orson Welles and Walt Disney. As an actor he was a leading man in early talkies and also appeared in Welles' final film, The Other Side of the Wind.