Sumie Oinuma (生沼 スミエ, Oinuma Sumie, born October 8, 1946) is a female Japanese former volleyball player who competed in the 1968 Summer Olympics and in the 1972 Summer Olympics.

In 1968 Oinuma was part of the Japanese team which won the silver medal in the Olympic tournament.

Four years later she won her second Olympic silver medal with the Japanese team.

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