Mariko Okamoto

| birth_place = | death_date = | death_place = | position = | teamnumber = 9 (1972)
2 (1976) | nationalyears = 1972–1976 | nationalteam = | medaltemplates =

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(born 28 December 1951) is a Japanese volleyball player and Olympic champion.

Okamoto was a member of the Japanese winning team at the 1976 Olympic games. Provided by Wikipedia