Mariko Umeda (November 1, 1967 – August 16, 1997), better known by her ring name Plum Mariko, was a Japanese professional wrestler. She wrestled for Japan Women's Pro-Wrestling from 1986 to 1992 and then, JWP Joshi Puroresu from 1992 until her death in 1997. Mariko was the first professional wrestler in Japan to die as a result of injuries suffered in a wrestling match.