Valentin Igorevich Moldavsky (Russian: Валенти́н И́горевич Молда́вский; born 6 February 1992) is a Russian mixed martial artist and combat sambo practitioner. He formerly competed for Bellator MMA, where he was an interim Heavyweight World Champion and the Professional Fighters League (PFL). He is also a two-time world and one-time European Sambo Champion in the +100 kg division.

Moldavsky was born 6 February 1992 in the village of Novopskov in the Luhansk Oblast. He was enrolled at the Luhansk State University of Internal Affairs, working as platoon leader.

In 2018, Moldavsky won the European Sambo Championships in Athens, Greece and the World Sambo Championships in Bucharest, Romania in the +100 kg weight category.

He also won the 2020 Russian national Championship, which allowed him to qualify for the 2020 World Sambo Championships in Serbia. He claimed the World Championship in the +100 kg category.

After going undefeated in amateur bouts, Moldavsky had his first professional fight was with Armenian Karen Karapetyan in Omsk on 21 February 2015, beating him with an armlock. Soon after, Moldavsky has been coached by Fedor Emelianenko and joined his Team Fedor.

In 2016, Moldavsky entered the Rizin Openweight Grand-Prix. In the first round in September 2016, he defeated Karl Albrektsson by unanimous decision to advance. In the quarter-finals on 29 December 2016, he defeated Szymon Bajor by unanimous decision. Two days later, he suffered his first loss to Iranian Amir Aliakbari by decision.

Moldavsky debuted for Bellator MMA at Bellator 181 on 14 July 2017, beating Carl Seumanutafa by unanimous decision.

Moldavsky returned to the promotion on 13 July 2018, knocking out Ernest James in the first round at Bellator 202.