Richard Warren Hacker (October 6, 1947 – April 22, 2020) was a Major League Baseball player, base coach and scout. Hacker played 16 games for the Montreal Expos in the 1971 season as a shortstop. He had a .121 batting average, with four hits in 33 at-bats. Hacker attended Southern Illinois University. After his playing career Hacker became a coach.