Ernie Drew "Black Jack" Barrett (August 27, 1929 – April 21, 2023) was an American professional basketball player for the Boston Celtics of the National Basketball Association (NBA).

He was selected by the Celtics in the first round of the 1951 NBA draft with the seventh overall pick.

Barrett was recruited by coaches including, Phog Allen and Henry Iba, but he chose to attend Kansas State University to play for Jack Gardner and Tex Winter in 1947.

Barrett led the Wildcats to the national championship game in 1951.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1920s is a stub.