Matvey Georgiyevich "Matt" Korobov (; born 7 January 1983) is a Russian professional boxer who has challenged once for the WBO middleweight title in 2014, and the WBC interim middleweight title in 2018. As an amateur he won consecutive gold medals at the 2005 and 2007 World Championships, and gold at the 2005 Boxing World Cup; all in the middleweight division.