Michael Gary Joseph Fiore (born October 11, 1944) is a former first baseman in Major League Baseball.

He played for the Orioles (1968), Royals (1969–1970), Boston Red Sox (1970–1971), St. Louis Cardinals (1972), and San Diego Padres(1972).

Fiore led off the top of the 2nd with a solo shot against Oakland Athletics All-Star John "Blue Moon" Odom.

His personal high for playing time was during the 1969 season, when he hit .274 with 12 HR and 35 RBI in 107 games.

He finished his career with a lifetime batting average of .227, 13 HR, 50 RBI, and 75 runs scored in 254 ballgames.