Yelena Anatolyevna Tkach (also Elena Tkach, Russian: Елена Анатольевна Ткач; born May 19, 1970 in Kopeysk, Chelyabinsk) is a Russian sport shooter. Representing the former Soviet Union, Tkach won a silver medal in the women's double trap at the 1991 ISSF World Shooting Championships in Perth, Australia, with a total score of 121 clay pigeons.