Thomas Loren Barrett (born April 2, 1960) is an American former second baseman in Major League Baseball who played for the Philadelphia Phillies (1988–1989) and Boston Red Sox (1992). Barrett was a switch-hitter and threw right-handed. In a three-season career, Barrett posted a .202 batting average with nine runs and four RBI in 54 games played. After his playing career, Barrett managed two seasons in the Red Sox farm system. He managed the Sarasota Red Sox in 1995 and the Michigan Battle Cats in 1996.