Grigory Aleksandrovich Gamarnik (Russian: Григорий Александрович Гамарник; Ukrainian: Григорій Олександрович Гамарник, romanized: Hryhorii Oleksandrovych Hamarnyk; April 22, 1929 – April 18, 2018) was a world champion wrestler and the first Greco-Roman wrestling world champion from Ukraine.

[1][2] Gamarnik was Jewish, and was born in Zinovievsk (today's Kropyvnytskyi), Ukraine, in the Soviet Union.

In 1948, he won second place in light middleweight class wrestling, at the All-Union Youth Contests in the USSR.

[4] Gamarnik was world lightweight (67 kg) Greco-Roman wrestling champion at the 1955 World Wrestling Championships in Karlsruhe, Germany, beating out silver medalist Kyösti Lehtonen of Finland and bronze medalist Gustav Freij of Sweden.

For his many years of commitment, Grigory Gamarnik was awarded the FILA Gold Star (1983) by then president Milan Ercegan.