Andrey Andreevich Koreshkov (Russian: Андрей Андреевич Корешков, born August 23, 1990) is a Russian mixed martial artist who competes in the welterweight division. He is the former Bellator Welterweight World Champion and competed in the Professional Fighters League (PFL).

Koreshkov made his professional mixed martial arts (MMA) debut in October 2010. He initially competed exclusively in his native Russia and compiled an undefeated record of 8–0 (five technical knockouts, three submissions) with none of his fights going to a decision.

The MMA news site Bloody Elbow listed Koreshkov as the top welterweight prospect in their 2012 MMA scouting report.

In January 2012, it was announced that Koreshkov would make his United States debut for Bellator.

In his debut, Koreshkov faced Tiawan Howard on March 30, 2012, at Bellator LXIII. He won via KO in the first round.

Andrey next faced Derrick Krantz on May 18, 2012, at Bellator LXIX. He won the fight via TKO in the third round.

Andrey then faced Jordan Smith on September 28, 2012, at Bellator LXXIV. He defeated Smith after 3 rounds, earning Koreshkov won a unanimous decision victory.

In the semifinals of the tournament, Koreshkov won via Technical Knockout, defeating Marius Zaromskis in the first round.