The following Union Army units and commanders fought in the Battle of the Wilderness (May 5–7, 1864) of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization May 5, 1864, the casualty returns and the reports.
LTG = Lieutenant General
MG = Major General
BG = Brigadier General
Col = Colonel
Ltc = Lieutenant Colonel
Maj = Major
Cpt = Captain
Lt = 1st Lieutenant
w = wounded
mw = mortally wounded
k = killed
c = captured
LTG Ulysses S. Grant, General-in-Chief, Union Armies
Escort:
5th United States Cavalry, Companies B, F and K: Cpt Julius W. Mason
MG Ambrose Burnside
Chief of Staff: MG John G. Parke
MG George Meade
General Staff:
Chief of Staff: MG Andrew A. Humphreys
Assistant Adjutant General: BG Seth Williams
Chief Quartermaster: BG Rufus Ingalls
General Headquarters:
Provost Guard: BG Marsena R. Patrick
1st Massachusetts Cavalry, Companies C and D: Cpt Edward A. Flint
80th New York (20th Militia): Col Theodore B. Gates
3rd Pennsylvania Cavalry: Maj James W. Walsh
68th Pennsylvania: Ltc Robert E. Winslow
114th Pennsylvania: Col Charles H. T. Collis
Engineer Troops:
50th New York Engineers (11 Companies): Ltc Ira Spaulding
Battalion United States Engineers: Cpt George H. Mendell
Guards and Orderlies:
Independent Company Oneida (New York) Cavalry: Cpt Daniel P. Mann
MG Winfield S. Hancock
Escort:
1st Vermont Cavalry, Company M: Cpt John H. Hazelton
MG Gouverneur K. Warren
Provost Guard:
12th New York Battalion: Maj Henry W. Ryder
MG John Sedgwick
Escort:
8th Pennsylvania Cavalry, Company A: Cpt Charles E. Fellows
MG Philip H. Sheridan
Escort:
6th United States: Cpt Ira W. Claflin (Headquarter)
8th Illinois (detachment): Lt William W. Long (Third Division)
BG Henry J. Hunt
