The following United States Army units and commanders fought in the First Battle of Winchester (May 25, 1862) of the American Civil War. The Confederate order of battle is listed separately.

Abbreviations used

Military rank MG = Major General BG = Brigadier General Col = Colonel Ltc = Lieutenant Colonel Cpt = Captain Lt = Lieutenant

Other c = captured

Union Forces near Winchester MG Nathaniel P. Banks

Department of the Shenandoah MG Nathaniel P. Banks

Division Brigade Regiment or otherFirst Division

BG Alpheus S. Williams First Brigade

Col Dudley Donnelly 5th Connecticut: Ltc George D. Chapman 28th New York: Ltc Edwin Franklin Brown 46th Pennsylvania: Col Joseph F. Knipe Third Brigade

Col George Henry Gordon 27th Indiana: Col Silas Colgrove 2nd Massachusetts: Ltc George L. Andrews 29th Pennsylvania: Col John K. Murphy (c), Cpt Samuel M. Zulich 3rd Wisconsin: Col Thomas H. Ruger Cavalry Attachment 1st Michigan Cavalry (5 companies): Col Thornton F. Brodhead, Maj Angelo Paldi Artillery Attachment

Cpt Robert B. Hampton Battery M, 1st New York Light Artillery: Lt James H. Peabody Battery F, Pennsylvania Light Artillery: Lt J. Presley Fleming Battery F, 4th U.S. Artillery: Lt Franklin B. CrosbyAttached independent units Cavalry Brigade

BG John P. Hatch 1st Maine Cavalry (2nd Battalion): Ltc Calvin S. Douty 1st Maryland Cavalry (5 companies): Ltc Charles Wetschky 5th New York Cavalry: Col Othneil De Forest 1st Vermont Cavalry: Col Charles H. Tompkins Various Units

BG John W. Geary 10th Maine: Col George L. Beal 8th New York Cavalry (5 companies, dismounted): Ltc Charles R. Babbitt Pennsylvania Zouaves d'Afrique: Cpt Charles H. T. Collis Battery E, Pennsylvania Light Artillery: Lt Charles A. Atwell

References The Opposing Forces at First Winchester