Dmitry Vladimirovitch Berestov (; born 13 June 1980 in Moscow) is a Russian weightlifter who won the gold medal in the 105 kg class at the 2004 Summer Olympics. He is 186 cm/6 ft 1 tall and weighs 105 kg/231 lb.
In July 2006, Berestov failed a drugs test and faced a two-year competition ban. In 2008 the suspension ended and Berestov returned to the 2008 European Weightlifting Championships, where he won the gold medal in the overall.