Walter Charles Shannon (January 23, 1933 – February 8, 1992) was an American professional baseball player, a second baseman and shortstop who appeared in parts of two seasons for the 1959–1960 St. Louis Cardinals of Major League Baseball. Born in Cleveland, Ohio, he batted left-handed, threw right-handed, stood 6 feet (1.8 m) tall and weighed 178 pounds (81 kg). He was the son of Walter G. Shannon (1907–1994), a longtime scout, director of scouting, and front office executive for the Cardinals, Cleveland Indians, Baltimore Orioles, California Angels and Milwaukee Brewers.