Michael Allen Marshall (born January 12, 1960 in Libertyville, Illinois) is a former professional baseball outfielder. He played all or part of eleven seasons in Major League Baseball, from 1981 to 1991. He played for the Los Angeles Dodgers and New York Mets, both of the National League, and the Boston Red Sox and California Angels, both of the American League. He also played one season in Nippon Professional Baseball for the Nippon Ham Fighters in 1992. Marshall served as president and general manager of the Chico Outlaws of the North American League. Marshall is now commissioner of the Pacific Association of Professional Baseball Clubs.