The Brain Leeches is a 1978 American low-budget science fiction exploitation film directed by Fred Olen Ray and starring Paul Jones, Marcia Scott, and Ray Starr. It has a running time of 55 minutes, and was completed on a budget of $298.00. The film was shown publicly only once, although it has since become available through distributors. The project proved to be a turning point in the careers of two of the principals.