Guy Isbel Tutwiler (July 17, 1889 – August 15, 1930), nicknamed "King Tut," was an American baseball player. Between 1910 and 1924, he appeared in more than 1,500 games as professional baseball player, including more than 600 games as an outfielder and more than 125 games as a first baseman. He played in Major League Baseball for 27 of those games with the Detroit Tigers in 1911 and 1913. The bulk of his career was in the minor leagues, including five seasons with the Providence Grays.