Thomas Loren (Tom) Barrett (born April 2, 1960 in San Fernando, California) is a 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.
Barrett's older brother, Marty Barrett, is a former second baseman who played with the Boston Red Sox and San Diego Padres between 1982 and 1991.