Maryland Dykes Potter (November 18, 1910 – February 27, 2002), was an American professional baseball pitcher. He played in two Major League Baseball (MLB) games, for the 1938 Brooklyn Dodgers.

Potter's professional baseball career spanned 1931–1941.^[1] He played in the farm system of the St. Louis Cardinals from 1932 to 1937, then in the Brooklyn Dodgers organization from 1938 to 1941.^[1] In 11 minor-league seasons, he compiled a 140–97 win–loss record. He mostly played at the lower levels, Class B (114 games) and Class C (145 games).^[1]

Potter made his major-league debut on April 26, 1938, pitching a scoreless eighth inning in the Dodgers' 4–1 loss to the Boston Bees.^[2] His final major-league appearance came six days later on May 2—again appearing in relief, he surrendered an inside-the-park home run to the first batter he faced, Jo-Jo Moore, in one inning of work in a 7–4 loss to the New York Giants.^[3] The only major-league strikeout that Potter recorded was against future Baseball Hall of Fame inductee Mel Ott.^[4][3]

His brother, Squire Potter, pitched in one game for the Washington Senators in 1923.^[5][6]