Kyōko Ariyoshi (有吉 京子, Ariyoshi Kyōko?, born September 14, 1950) is a Japanese shōjo manga artist. She was born in Kumamoto City, Kumamoto Prefecture. She debuted by publishing her work Kitty and a Girl (Koneko to Shōjo) in Shukan Margaret in 1971.
Ariyoshi is well known for her works of the ballet stories. Swan (Part 1, 1977 – 1980, and Part 2, 1980 – 1981), Swan -The Prayer of Swan- (1982–1983) and Applause are the representative works. These are all stories of ballet and ballerinas.