John Duncan "Red" Barkley (September 19, 1912 – December 12, 2000) was an American backup infielder in Major League Baseball (MLB) who played for the St. Louis Browns, the Boston Bees and the Brooklyn Dodgers. In a three-season career, Barkley was a .264 hitter with no home runs and 21 runs batted in in 63 games played. He is the grandfather of Brian Barkley, who pitched with the Boston Red Sox.

Barkley died in Waco, Texas, at the age of 88.

• Career statistics from Baseball Reference, or Baseball Reference (Minors)
• Red Barkley at Find a Grave