Olena Ronzhyna

Olena Ronzhyna-Morozova (Ukrainian: Ronzhina-Morozova Olena Іvanіvna; born November 18, 1970 in Dnipropetrovsk) is a retired rower from Ukraine, who won a silver medal at the 1996 Summer Olympics. She is a four-time Olympian.

Ronzhyna competed for the Unified Team at the 1992 Summer Olympics. She was a member of the Ukrainian team at the 1996 Summer Olympics in Atlanta, winning a silver medal in the women's quadruple sculls with team mates Inna Frolova, Svetlana Maziy, and Dina Myftakhutdinova. At her last Olympic appearance in 2004, she was disqualified with her team after one of her team mates, Olena Olefirenko, tested positive for ethamivan.