Gary Dean Plummer (born February 21, 1962) is an American former professional basketball player, who played in the National Basketball Association.

Plummer, a 6'9" tall power forward-center, played high school basketball at Osborn High School in Detroit, Michigan.

After high school, Plummer played college basketball at Boston University, with the Boston Terriers, from 1980 to 1984.

Plummer also played pro club basketball in Israel, Italy, Spain, and Greece.

Plummer now runs the N Your Court (NYC) basketball camps and AAU programs.