Matthew Samuel Maysey (born January 8, 1967) is a Canadian former Major League Baseball (MLB) pitcher who played for two seasons. He pitched two games for the Montreal Expos in 1992 and 23 games for the Milwaukee Brewers in 1993. Maysey was granted free agency by the Expos following the season and signed with the Milwaukee Brewers on November 24, 1992. He was promoted from the New Orleans Zephyrs in July 1993 following an injury to Milwaukee pitcher Bill Wegman.