Valentin Kuzin (1926–1994), an ice hockey player who played in the Soviet Hockey League
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Vladimir Kuzin (1930–2007), a former Soviet cross-country skier
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Roman Kuzin (born 1989), a Russian professional football player
Founding co-presidents Bernard Lown of the United States and Yevgeniy Chazov of the Soviet Union were joined by other early IPPNW leaders including Jim Muller, and Eric Chivian of the US and Mikhail Kuzin and Leonid Ilyin of the Soviet Union.