Oliver Frank Fletcher (March 6, 1891 – October 7, 1974) was an American baseball player. Born in , he played shortstop and third base and batted and threw right-handed. He sometimes played under the name Fletcher Franks. Fletcher played minor league baseball with the Harrisburg Coal Miners of the Kentucky–Illinois–Tennessee League and the Syracuse Stars of the New York State League. He originally played as a third baseman, but switched to shortstop upon joining the Stars in 1914. The Syracuse Herald called him "one of the snappiest young players" in his league.