George Runnells "Krum" Kahler (September 6, 1889 – February 7, 1924) was a pitcher in Major League Baseball from Athens, Ohio. He played for the Cleveland Naps from 1910 to 1914. The spelling of Kahler's last name has varied in different newspapers, yearbooks and publications throughout his entire life. Kahler is sometimes spelled "Kaler" depending on the publication. The origin and spelling of his nickname "Krum" is unknown. It was occasionally spelled "Crum" in some articles.