Yelena Anatolyevna Tkach (also "Elena Tkach", ; born 19 May 1970 in Kopeysk, Russian SSR, Soviet Union) 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. She also defeated Lithuania's Daina Gudzinevičiūtė by one point for the gold medal in the women's trap at the 2002 ISSF World Shooting Championships in Lahti, Finland, accumulating a score of 93 targets. Tkach is also a member of the shooting team for Dynamo Voronezh, and is coached and trained by her teammate and two-time Olympian Maxim Kosarev.