Battle of Cold Harbor order of battle: Union

The following Union Army units and commanders fought in the Battle of Cold Harbor (May 31–June 12, 1864) of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization May 31, 1864, army organization May 26-June 3, 1864, the casualty returns and the reports.

Military Rank

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

Other

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

Forces operating against Richmond May 31-June 5, 1864
LTG Ulysses S. Grant

Escort:
 * 5th United States Cavalry, Companies B, F and K

Army of the Potomac
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
 * 80th New York (20th Militia)
 * 3rd Pennsylvania Cavalry
 * 68th Pennsylvania
 * 114th Pennsylvania

Engineer Troops:
 * 50th New York Engineers
 * Battalion United States Engineers

Guards and Orderlies:
 * Independent Company Oneida (New York) Cavalry

Unattached:
 * 22nd New York Cavalry

II Corps
MG Winfield S. Hancock

Escort:
 * 1st Vermont Cavalry, Company M

V Corps
MG Gouverneur K. Warren

Provost Guard:
 * 12th New York Battalion

VI Corps
MG Horatio G. Wright

Escort:
 * 8th Pennsylvania Cavalry, Company A

IX Corps
MG Ambrose E. Burnside

General Staff:
 * Chief of Staff: MG John G. Parke
 * Chief of Artillery: Ltc J. Albert Monroe

Provost Guard:
 * 8th United States

Cavalry Corps
MG Philip H. Sheridan

Escort:
 * 6th United States

XVIII Corps
MG William F. Smith

Forces operating against Richmond June 6-12, 1864
LTG Ulysses S. Grant

Escort:
 * 5th United States Cavalry, Companies B, F and K

Army of the Potomac
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
 * 80th New York (20th Militia)
 * 3rd Pennsylvania Cavalry
 * 68th Pennsylvania
 * 114th Pennsylvania

Engineer Troops:
 * 50th New York Engineers
 * Battalion United States Engineers

Guards and Orderlies:
 * Independent Company Oneida (New York) Cavalry

II Corps
MG Winfield S. Hancock

Escort:
 * 1st Vermont Cavalry, Company M

V Corps
MG Gouverneur K. Warren

Provost Guard:
 * 5th New York, Companies F and E

VI Corps
MG Horatio G. Wright

Escort:
 * 8th Pennsylvania Cavalry, Company A

IX Corps
MG Ambrose E. Burnside

General Staff:
 * Chief of Staff: MG John G. Parke
 * Chief of Artillery: Ltc J. Albert Monroe

Provost Guard:
 * 8th United States

Cavalry Corps
MG Philip H. Sheridan

Escort:
 * 6th United States

XVIII Corps
MG William F. Smith