Ryōko Mitake (born 3 December 1982) is a popular and multiple-award-winning Japanese AV idol. Throughout her career she alternated between the two AV studios, Alice Japan and Max-A. At the end of her first year in AV, Mitake was given two Best Actress awards in different AV ceremonies, and at the end of her second year she was given an award as second best actress. After two and a half years in the industry, Mitake retired to devote her time to her family.