Walter Charles "Jack" Hammond (February 26, 1891 – March 4, 1942), nicknamed "Wobby", was an American second baseman in Major League Baseball who played for the Cleveland Indians and Pittsburgh Pirates. He batted and threw right-handed, had a height of 5'11" and a weight of 170 lbs. He went to Colgate University.
Born in Amsterdam, New York, Hammond played his first game on April 15, 1915 and his final game on June 16, 1922. He died at age 51 in Kenosha, Wisconsin.