Nina Dmitriyevna Umanets (Russian: Нина Дмитриевна Уманец, born 1 May 1956 in Tulchyn Raion, Vinnytsia Oblast) is a Ukrainian rower. She competed in the women's eight for the Soviet Union at the 1980 Summer Olympics where she won the silver medal. Umanets also won five gold medals at the World Rowing Championships.

In 2014, she worked as Deputy Minister of Sports of Ukraine with Dmytro Bulatov.^{[citation needed]}