Blood Theatre (also known as Movie House Massacre) is a 1984 American independent slasher-horror comedy film directed by Rick Sloane and starring Mary Woronov, Jonathan Blakely, Jenny Cunningham, and Joanna Foxx.

The film includes many bizarre movie theater-related deaths, such as being fried inside a popcorn machine, stabbed in the ticket booth, electrocuted by a film projector, decapitated by a projection booth partition, stabbed while a movie is playing on screen, smoke inhalation from burning film, and a telephone receiver which breaks apart while a dying girl screams hysterically into it.

The majority of the film was shot at the historic Beverly Warner Theater in Beverly Hills, which was also a location in the film Xanadu. It was later demolished and the site became a bank building.

All the films which play at the Spotlite Theater Multiplex in this film, were short films made by Rick Sloane while he attended Los Angeles City College. They include Clown Whores of Hollywood, Chainsaw Chicks, Amputee Hookers and Nightmare Of The Lost Whores.