Charlie Chan's Secret is a 1936 American mystery film directed by Gordon Wiles and starring Warner Oland, Henrietta Crosman and Rosina Lawrence.

It is the tenth film in Fox's Charlie Chan series featuring Oland as the detective.

Charlie Chan has been investigating the whereabouts of Allen Colby, heir to a vast fortune.

On the contrary, evidence is found that someone is trying to kill him to prevent his return to San Francisco to claim the estate.

The film is the public domain due to the omission of a valid copyright notice on original prints.