Rafayel Davidovich Grach (Russian: Рафаель Давидович Грач; August 6, 1932 – June 14, 1982) was a Soviet speed skater who competed in the 1956 Winter Olympics, 1960 Winter Olympics and 1964 Winter Olympics.

He was born in Kirov, Russia.

Grach won the silver medal at the 1956 Winter Olympics and bronze medal at the 1960 Winter Olympics in speed skating.

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