Kyōko Hasegawa (長谷川 京子 Hasegawa Kyōko?) is a Japanese actress who plays Kasumi Tendo in the live action adaptation of Ranma ½. She has been in a selection of Japanese dramas and movies, the most notable of which include "Kataoka Surumi" in Boku dake no Madonna, "Kyoko" in the "Box" segment of Three... Extremes and "Mamako Ino" in the live action adaptation of Dragon Zakura.