Shiloh Union order of battle

The following Union Army units and commanders fought in the Battle of Shiloh of the American Civil War. The Confederate order of battle is shown separately. Order of battle compiled from the army organization, return of casualties and reports.

Military rank

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

Artillery

 * 3" R = 3 inch caliber ordnance rifle
 * How = Howitzer
 * lb = pound (projectile weight)
 * Nap = M1857 Napoleon Gun
 * R = Rifled Gun
 * SB = Smoothbore Gun

Other

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

Army of the Tennessee
MG Ulysses S. Grant, Commanding General Staff & Headquarters
 * Chief of Staff: Col Joseph D. Webster
 * Chief of Engineers: Col James B. McPherson
 * Assistant Adjutant General: Cpt. John A. Rawlins
 * Chief Commissary: Cpt. John Parker Hawkins
 * 2nd Illinois Heavy Artillery Regiment: Cpt Relly Madison

Army of the Ohio
MG Don Carlos Buell, Commanding
 * Chief of Staff: Col James B. Fry
 * Assistant Adjutant General: Cpt. J.M. Wright
 * Topographical Engineer: Cpt. Nathaniel Michler
 * Assistant Quartermaster: Cpt. Alvan C. Gillem
 * Assistant Inspector General: Cpt. Charles C. Gilbert