Chantilly Union order of battle

The following Union Army units and commanders fought in the Battle of Chantilly of the American Civil War. The Confederate order of battle is shown separately.

Military Rank

 * MG = Major General
 * BG = Brigadier General
 * Col = Colonel
 * Ltc = Lieutenant Colonel

Other

 * (k) = killed in action

III Corps, Army of the Potomac
MG Samuel P. Heintzelman

IX Corps, Army of the Potomac
MG Jesse L. Reno