Cross Keys Union order of battle

The following United States Army units and commanders fought in the Battle of Cross Keys of the American Civil War. The Confederate order of battle is listed separately.

Military rank

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

Union Forces Near Cross Keys
MG John C. Frémont

Mountain Department
MG John C. Frémont

Department of the Rappahannock (formerly I Corps, Army of the Potomac)
MG Irvin McDowell (not present)