Roy Riddell Coffin (May 10, 1898 – November 10, 1982) was an American field hockey player who competed in the 1932 Summer Olympics.

Olympic medal record
Men's field hockey
Bronze medal – third place 1932 Los Angeles Team competition

In 1932 he was a member of the American field hockey team, which won the bronze medal. He played one match as back.

He was born in Philadelphia, Pennsylvania and died in Wallingford, Pennsylvania.

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