Olegk Motsalin (; born April 9, 1986) is a Greek wrestler, who competed for the men's freestyle 74 kg at the 2012 Summer Olympics in London, after winning a silver medal at the World Qualifying Tournament in Helsinki, Finland. He was eliminated in the first round, losing out to Uzbekistan's Soslan Tigiev, who later won the bronze medal in this category, but subsequently disqualified for being tested positive in a banned substance.