The 57th Regiment Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 57th Pennsylvania Infantry was organized at Harrisburg, Pennsylvania, beginning October 1861 and mustered in December 14, 1861, for a three-year enlistment under the command of Colonel William Maxwell.
The regiment was attached to Jameson's Brigade, Heintzelman's Division, Army of the Potomac, to March 1862.
1st Brigade, 3rd Division, III Corps, Army of the Potomac, to August 1862.
2nd Brigade, 1st Division, III Corps, Army of the Potomac, to March 1863.
1st Brigade, 1st Division, III Corps, to March 1864.
2nd Brigade, 3rd Division, II Corps, to June 1865.
Peach Orchard and Savage Station June 29.
Charles City Cross Roads and Glendale June 30.
Guard fords from Monocacy River to Conrad's Ferry until October.
Marched up the Potomac to Leesburg, then to Falmouth, Va., October 11-November 19.
Burnside's 2nd Campaign, "Mud March," January 20–24, 1863.
Demonstration north of the James River at Deep Bottom July 27–29 and August 13–20.
Strawberry Plains, Deep Bottom, August 14–18.
Boydton Plank Road, Hatcher's Run, October 27–28.
Dabney's Mills, Hatcher's Run, February 5–7.