Mad Doctor of Blood Island
- Taon: 1969
- Bansa: United States of America, Philippines
- Genre: Horror, Science Fiction
- Studio: Hemisphere Pictures
- Keyword: monster, mad scientist, murder, mad doctor
- Direktor: Gerardo de Leon, Eddie Romero
- Cast: John Ashley, Angelique Pettyjohn, Ronald Remy, Ronaldo Valdez, Alicia Alonzo, Tita Muñoz