Michael Steven Hessman (born March 5, 1978) is an American former professional baseball first baseman and third baseman.
He played in Major League Baseball (MLB) for the Atlanta Braves, Detroit Tigers, and New York Mets, and in Nippon Professional Baseball (NPB) for the Orix Buffaloes.
He is currently the hitting coach for the Toledo Mud Hens.
Hessman holds the all-time record for International League home runs, when he hit his 259th on June 30, 2014, breaking Ollie Carnegie's record set in 1945.
In 2015, he broke Buzz Arlett's record for the most career minor league home runs, hitting his 433rd on August 3, 2015.