Harry Archibald Eells (February 14, 1881 - December 7, 1940), nicknamed "Slippery" was a Major League Baseball pitcher who played for one season for the Cleveland Naps. He pitched in 14 games for the Naps during the 1906 Cleveland Naps season, starting 8, going 4-5 with a 2.61 ERA, 35 strikeouts, and 48 walks in 86 and 1/3 innings pitched.