Convent of the Sacred Beast (聖獣学園, Seijū gakuen) is a film in the nunsploitation subgenre of Pinky violence made by Toei Company in 1974.

A young woman Maya (Yumi Takigawa) becomes a nun at the Sacred Heart Convent to find out what happened to her mother Michiko years earlier.

After killing the mother superior, Maya sleeps with her father before revealing her true identity, and stabbing him in the back with a crucifix.

Praising the work of writer/director Norifumi Suzuki as well as the leading actors, critic Donald Guarisco of Allmovie says, "This Japanese shocker manages to [be] shocking and artistically stunning all at once.

The extras on the DVD included the original theatrical trailer, and interviews with lead actress Yumi Takigawa and film critic Risaku Kiridoushi.