I Know a Secret or I Know the Secret may refer to:
I Know a Secret, film directed by Bruce Pittman 1982 I Know a Secret, List of programs broadcast by ABC (Australian TV network) I Know a Secret (Ginny Owens album) 2014 I Know a Secret, compilation album by Erskine Hawkins I Know the Secret, album by Medical Mission Sisters 1967 "I Know the Secret", title song from the album by Medical Mission Sisters 1967 "I Know a Secret", song by Erskine Hawkins, covered by Spike Jones