John Marshall Stone (April 30, 1830 – March 26, 1900) was an American politician from Mississippi.
A Democrat, he served longer as Governor of that state than anyone else, from 1876 to 1882 and again from 1890 to 1896.
During this latter period, he approved a new constitution in 1890 passed by the Democratic-dominated state legislature that disfranchised most African Americans, excluding them from the political system.