Jack McDowell, American baseball player
Jack Burns McDowell (born January 16, 1966) is an American former baseball player. A right-handed pitcher, McDowell played for the Chicago White Sox, New York Yankees, Cleveland Indians, and Anaheim Angels of the Major League Baseball (MLB). Nicknamed "Black Jack", he was a three-time All-Star and won the American League Cy Young Award in 1993.

McDowell has also been a professional musician, most notably with the rock band stickfigure.