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.
MG = Major General
BG = Brigadier General
Col = Colonel
Ltc = Lieutenant Colonel
Maj = Major
Cpt = Captain
Lt = Lieutenant
3" R = 3 inch caliber ordnance rifle
How = Howitzer
lb = pound (projectile weight)
Nap = M1857 Napoleon Gun
R = Rifled Gun
SB = Smoothbore Gun
w = wounded
mw = mortally wounded
k = killed
c = captured
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
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