The following Union Army units and commanders fought in the Battle of Chancellorsville of the American Civil War.
The Confederate order of battle is listed separately.
[4] MG Joseph Hooker General Staff: General Headquarters: Command of the Provost-Marshal-General: BG Marsena R. Patrick Patrick's Brigade: Col William F. Rogers Engineer Brigade: BG Henry W. Benham Signal Corps: Cpt Samuel T. Cushing Ordnance Detachment: Lt John R. Edie, Jr.
Guards and Orderlies: MG John F. Reynolds Chief of Artillery: Col Charles S. Wainwright Escort: First Division
Cpt John A. Reynolds Second Division
Maj Ezra W. Matthews MG Darius N. Couch Chief of Artillery and Assistant Inspector-General: Ltc Charles H. Morgan[iii][5] Escort: First Division [iv]
Col John D. MacGregor[viii][8]
Col Charles Albright Lt George A. Woodruff[xi][5] MG Daniel Sickles Chief of Artillery: Cpt George E. Randolph First Division
BG Joseph W. Revere[xv]
BG Amiel W. Whipple (mw)
Cpt James F. Huntington MG George Meade Chief of Artillery: Cpt Stephen H. Weed Escort: First Division
Col James McQuade[xxi]
Cpt Stephen H. Weed Third Division
Cpt Alanson M. Randol MG John Sedgwick Chief of Artillery: Col Charles H. Tompkins Escort: Maj Hugh H. Janeway First Division
Col Samuel L. Buck[xxv] (w)
Maj J. Watts de Peyster, Jr. Third Division
Cpt Jeremiah McCarthy Light Division
Col Hiram Burnham[9][10][xxviii] MG Oliver O. Howard Chief of Artillery: Ltc Louis Schirmer Escort: First Division
BG Adolph Von Steinwehr
Ltc Louis Schirmer MG Henry W. Slocum Chief of Artillery: Cpt Clermont L. Best Provost Guard: First Division
BG Joseph F. Knipe[xxix]
BG Joseph F. Knipe[xxxi]
Cpt Joseph M. Knap BG George Stoneman[13][xxxv][14] First Division
Col Thomas Devin Second Division
Col John B. McIntosh Third Division[xxxviii][15]
Cpt James M. Robertson BG Henry J.
BG Robert O. Tyler[17][xl]