David William Shean was an American professional baseball second baseman. He played from 1906 through 1919 for the Philadelphia Athletics (1906), Philadelphia Phillies (1908–1909), Boston Doves (1909–1910), Chicago Cubs (1911), Boston Braves (1917), Cincinnati Reds (1917) and Boston Red Sox (1918–1919) of Major League Baseball (MLB). Listed at 5 ft 11 in (1.80 m), 175 lb (79 kg)., Shean batted and threw right-handed. He was born in Arlington, Massachusetts.