Vicksburg Union order of battle

The following Union Army units and commanders fought in the Battle of Vicksburg of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the campaign.

Military rank

 * MG = Major General
 * BG = Brigadier General
 * Col = Colonel
 * Ltc = Lieutenant Colonel
 * Maj = Major
 * Cpt = Captain
 * Lt = Lieutenant
 * Sgt = Sergeant

Other

 * w = wounded
 * mw = mortally wounded
 * k = killed

Army of the Tennessee
MG Ulysses S. Grant, Commanding General Staff:
 * Acting Inspector General: BG Jeremiah C. Sullivan
 * Chief of Transportation: Col Joseph D. Webster
 * Chief of Staff: Ltc John A. Rawlins

General Headquarters: Escort
 * 4th Illinois Cavalry, Company A: Cpt Embury D. Osband
 * Engineers: 1st Battalion Engineer Regiment of the West: Maj William Tweeddale

IX Corps
MG John Parke

XIII Corps
MG John A. McClernand MG Edward Ord

Escort Pioneers
 * 3rd Illinois Cavalry, Company L: Cpt David R. Sparks
 * Kentucky Engineers (Independent Company): Cpt William F. Patterson

XV Corps
MG William T. Sherman


 * Chief-of-Staff: Ltc John Henry Hammond

XVI Corps (detachment)
MG Cadwallader C. Washburn

XVII Corps
MG James B. McPherson

Escort
 * 4th Company Ohio Cavalry: Cpt John S. Foster

District of Northeast Louisiana
BG Elias S. Dennis