Battle of Gettysburg order of battle: Union

The Union order of battle during the Battle of Gettysburg includes the American Civil War officers and men of the Army of the Potomac (multiple commander names indicate succession of command during the three-day battle (July 1–3, 1863)).

[3] MG George G. Meade, Commanding

Command of the Provost Marshal General: BG Marsena R. Patrick[4]

Engineer Brigade: BG Henry W. Benham[6] MG John F. Reynolds (k) [7]

BG Lysander Cutler Second Division

BG Henry Baxter Third Division

Col Charles S. Wainwright MG Winfield S. Hancock[12] (w)

BG Samuel K. Zook (mw July 2)

Ltc Charles G. Freudenberg (w July 2)

Col Eliakim Sherrill (mw, July 3)

Cpt John G. Hazard MG Daniel E. Sickles (w)

MG David B. Birney (w) First Division

Col P. Régis de Trobriand Second Division

Cpt A. Judson Clark MG George Sykes General Headquarters: First Division

Cpt Augustus P. Martin MG John Sedgwick General Headquarters: First Division

BG David A. Russell Second Division [29]

BG Thomas H. Neill Third Division

Col Charles H. Tompkins MG Oliver O. Howard[31]

MG Carl Schurz General Headquarters: First Division

BG Adelbert Ames 1st Brigade

BG Adolph von Steinwehr

Maj Thomas W. Osborn MG Henry W. Slocum[32]

BG Alpheus S. Williams Provost Guard: First Division

Lt Edward D. Muhlenberg MG Alfred Pleasonton Headquarter Guards: First Division

BG Wesley Merritt Second Division [35]

BG David McMurtrie Gregg

Col John Irvin Gregg Third Division

BG George A. Custer Horse Artillery

Cpt John C. Tidball BG Robert O. Tyler

Cpt James M. Robertson Headquarter Guard: