Dmitry Vyacheslavovich Mazunov (; born 12 May 1971 in Nizhny Novgorod, Russian SFSR) is a Russian table tennis player. He won a bronze medal, along with his brother Andrey Mazunov, in the men's doubles at the 1991 World Table Tennis Championships in Chiba, Japan, representing the Soviet Union. As of January 2010, Mazunov is ranked no. 105 in the world by the International Table Tennis Federation (ITTF). Mazunov is a member of TTF Liebherr Ochenhausen in Ochsenhausen, Germany, and is coached and trained by Mikhail Nosov. He is also right-handed, and uses the attacking grip.