George Walter Ball (September 13, 1877 – December 15, 1946) was an African-American baseball pitcher in the Negro Leagues. Born in Detroit, Michigan, from 1893 he played ten years as the only black player on minor white teams in Minnesota and North Dakota. For more than a decade beginning 1903, he played for major teams, mainly in the Chicago region.
He played for the Chicago Union Giants and their successors the Chicago Leland Giants and Chicago Giants, as well as the Brooklyn Royal Giants and St. Paul Colored Gophers.
Ball died in Chicago.