The following Union Army units and commanders fought in the First Battle of Deep Bottom (July 27–29, 1864) of the American Civil War.
LTG Ulysses S. Grant MG George Meade MG Winfield Scott Hancock Escort: Engineers: Chief of Artillery: Col John C. Tidball First Division
Provost guard: 2nd Company Minnesota Sharpshooters: Cpt Mahlon Black
Maj John G. Hazard MG Philip Sheridan First Division
Col John Irvin Gregg MG Benjamin F. Butler First Division
BG Henry Warner Birge Cavalry Division