Mobile campaign order of battle: Union

The following units and commanders of the Union Army fought at the Mobile campaign of the American Civil War involving the battles of Spanish Fort and Fort Blakeley. The units engaged against Spanish Fort involved Veatch's Division, Benton's Division and Henry Bertram's Brigade from the XIII Corps along with McArthur's Division and Carr's Division from the XVI Corps. The units engaged against Fort Blakeley involved Veatch's Division and Andrews' Division (minus Bertram's brigade) from the XIII Corps, Garrard's Division from the XVI Corps and Steele's Pensacola Column. The Confederate order of battle is shown separately.

This order of battle covers the period of March–April 1865. For the Union and Confederate forces at the Battle of Mobile Bay from August 2–23, 1864, see: Mobile Bay order of battle.

Military rank

 * MG = Major general
 * BG = Brigadier general
 * Col = Colonel
 * Ltc = Lieutenant colonel
 * Maj = Major
 * Cpt = Captain
 * Lt = 1st lieutenant

Other

 * w = wounded

Army of West Mississippi
MG Edward R. S. Canby, 45,200

General Staff
 * Chief-of-Staff: MG Peter J. Osterhaus
 * Provost Marshal: BG George L. Andrews
 * Aide-de-Camp: Brevet BG Cyrus B. Comstock
 * Chief Engineer: Brevet Col Miles D. McAlester
 * Asst. Adjutant General: Ltc Christian T. Christensen
 * Asst. Inspector General: Ltc John M. Wilson
 * Quartermaster: Ltc Charles G. Sawtelle
 * Commissary of Subsistence: Ltc Chester Bingham Hinsdill

XIII Corps
MG Gordon Granger, 13,200, excluding 2nd and 3rd Brigades, 2nd Division

XVI Corps
MG Andrew Jackson Smith, 16,000

Column from Pensacola
MG Frederick Steele, 13,200
 * Asst. Adjutant General: Maj John F. Lacey

Cavalry
Bvt MG Benjamin Grierson