is a former Japanese AV idol and pink film actress.
Mari Ayukawa was born in Tokyo on December 2, 1969. Ayukawa had nurse education in high school and she was a medical school student when she made her AV debut in the July 1988 Arena release, .
Ayukawa starred in the female pink film director Sachi Hamano's entry in Shintà Âhà  Eiga's Molester's Train series, . In 1989 she starred in two films for pink film pioneer Satoru Kobayashi, and , both of which were distributed by Xces. Ayukawa also starred in director Akio Jissoji's (1990), also distributed by Xces.
In 1991, Ayukawa played the role of the wife of Kuen the silk-maker in the Hong Kong Category III classic Sex and Zen.
In 2006, Ayukawa's AV career, which ran from 1988 to 1990, much of it for the h.m.p. and Alice Japan studios, was reviewed in the DVD Mari Ayukawa History, released by Atlas21.