Milton Joseph Cunningham, usually known as Joe Cunningham (March 10, 1842 – October 19, 1916), was an attorney in Natchitoches and New Orleans, Louisiana, who served three nonconsecutive terms from 1884 to 1888 and again from 1892 to 1900 as the Attorney General of Louisiana.From 1880 to 1884, Cunningham, a Democrat, was a member of the Louisiana State Senate from both Natchitoches Parish and his native DeSoto Parish in northwestern Louisiana.