Donald Joseph Plarski (November 9, 1929 – December 29, 1981) was an American professional baseball player. An outfielder, he appeared in eight games for the Kansas City Athletics of Major League Baseball during the 1955 season. Plarski was born in Chicago. He threw and batted right-handed and was listed as 5 feet 6 inches (1.68 m) tall and 160 pounds (73 kg). After his playing career, Plarski became a sportswriter and the longtime sports editor of the Alton Evening Telegraph in Alton, Illinois and was a fast-pitch softball umpire. He died at age 52 in St. Louis, Missouri.