Arthur Pendleton Bagby Jr. (May 17, 1833 – February 21, 1921) was an American lawyer, editor, and Confederate States Army colonel during the American Civil War. Confederate General E. Kirby Smith, commander of the Trans-Mississippi Department assigned Bagby to duty as a brigadier general on April 13, 1864, to date from March 17, 1864, and as a major general on May 16, 1865. These extra-legal appointments were not made official by appointments of Bagby to general officer grade by Confederate President Jefferson Davis or by confirmation by the Confederate Senate.