Cage Without a Key is a 1975 American made-for-television drama film directed by Buzz Kulik and starring Susan Dey and Sam Bottoms, with Jonelle Allen and Lani O'Grady in supporting roles. The film premiered on the CBS television network the evening of March 14, 1975, later repeating at various times on The CBS Late Movie. The film was released on VHS under the title Imprisoned Women.

Cage Without a Key was filmed at Las Palmas School for Girls in Commerce, California, now known as the Dorothy Kirby Center. It was a juvenile detention center, not an actual women's prison. Many of the extras were actual inmates.