Nina Gruzintseva
Nina Aleksandrovna Gruzintseva (; 7 April 1934 – 17 October 2021) was a Russian Soviet sprint canoer and referee. She competed at the 1964 Summer Olympics, coming in 5th place. She won the Canoe Sprint European Championships in 1957 and 1961. She also won the ICF Canoe Sprint World Championships in 1958. Gruzintseva was born in Leningrad, Soviet Union.