Ovechkin beat fellow Russian finalists Evgeni Malkin of Pittsburgh and Detroit's Pavel Datsyuk on Thursday night. He also won the Lester Pearson Award awarded by the NHL Players' Association to the most outstanding player.
Ovechkin, second to Malkin with 110 points, was presented the Hart by compatriot and Capitals teammate Sergei Fedorov. Ovechkin received 115 first-place votes, Malkin earned 12 and Datsyuk had four.
Boston's Zdeno Chara edged Washington's Mike Green to win the Norris Trophy as the league's top defenseman.