Silent Night, Bloody Night is a 1972 American slasher film directed by Theodore Gershuny and co-produced by Lloyd Kaufman. The film stars Patrick O’Neal and cult actress Mary Woronov in leading roles, with John Carradine in a supporting performance. The plot follows a series of murders that occur in a small New England town on Christmas Eve after a man inherits a family estate which was once an insane asylum.

A man inherits a mansion which once was a mental home. He visits the place and begins to investigate some crimes that happened in old times, scaring the people living in the region.