Diary of a Madman
- annos singulos: 1963
- Patriam: United States of America
- genus: Horror, Thriller
- Studio: United Artists, Robert E. Kent Productions
- keyword: psychokinesis, sculptor
- Director: Reginald Le Borg
- cast: Vincent Price, Nancy Kovack, Chris Warfield, Elaine Devry, Ian Wolfe, Stephen Roberts