Kazuko Shirakawa (born September 30, 1947) is a Japanese actress who is best known for her appearances in Nikkatsu's Roman Porno films during the 1970s. She appeared in Nikkatsu's first film in the Roman Porno series, Apartment Wife (1971), and is considered the first of the three "Nikkatsu Queens" of the 1970s. After 1976 she embarked on a successful career in mainstream film.