Rosemary LaPlanche (11 Oktober 1923 – 6 Mei 1979) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente Devil Bat's Daughter (1946), Strangler of the Swamp (1946), Jack Armstrong (1947), en Federal Agents vs. Underworld, Inc. (1949). 1946: Devil Bat's Daughter 1946: Strangler of the Swamp 1946: Betty Co-Ed 1947: Jack Armstrong 1949: Federal Agents vs. Underworld, Inc. 1966: Golden Hands of Kurigal Rosemary LaPlanche in die Internet-rolprentdatabasis