Harry Edward "Green River" Buckner (October 22, 1876 – March 26, 1938) was an Americanbaseballpitcher and outfielder in the Negro Leagues. He played from 1896 to 1918 with several teams. He had several nicknames, including "Buck," Green River," and even "Goat Head."
In 1904, Buckner joined the Cuban X-Giants, and found himself playing in Cuba during the winter seasons for about four seasons. He played for several teams in his 30s and 40s, including the Brooklyn Royal Giants, Lincoln Giants, and Paterson Smart Set.