Chikayo Nagashima (born January 24, 1976) is a Japanese professional wrestler currently working as a freelancer. She started her career in 1995 for the GAEA Japan promotion, where she became a one-time AAAW Single Champion and a record five-time AAAW Tag Team Champion. She is also known for her time in OZ Academy, where she became a three-time OZ Academy Tag Team Champion and a one-time OZ Academy Openweight Champion, as well as Marvelous That's Women Pro-Wrestling, Pro Wrestling WAVE, and World Woman Pro-Wrestling Diana.