Mamoru Shiragami (白神 守, Shiragami Mamoru, born February 28, 1944) is a Japanese former volleyball player who competed in the 1968 Summer Olympics.

Olympic medal record
Men's Volleyball
Silver medal – second place 1968 Mexico City Team

He was born on the island of Taiwan.

In 1968 he was part of the Japanese team which won the silver medal in the Olympic tournament. He played all nine matches.

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