Mr. Sardonicus
- Tahun: 1961
- Negara: United States of America
- Aliran: Kengerian, Misteri
- Studio: William Castle Productions, Columbia Pictures
- Kata kunci: mask, leech, grave, castle, baron, flashback, torture, masked man, disfigured face, disfigurement, 19th century
- Direktur: William Castle
- Pemeran: Ronald Lewis, Audrey Dalton, Guy Rolfe, Oskar Homolka, Vladimir Sokoloff, Erika Peters