The 61st Regiment, Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The regiment was attached to Jameson's Brigade, Heintzelman's Division, Army of the Potomac, to February 1862.
Graham's Brigade, Couch's Division, Army of the Potomac, to March 1862.
2nd Brigade, 1st Division, IV Corps, Army of the Potomac, to July 1862.
3rd Brigade, 1st Division, IV Corps, to September 1862.
2nd Brigade, 3rd Division, VI Corps, to October 1862.
1st Brigade, 3rd Division, VI Corps, to February 1863.
3rd Brigade, 2nd Division, VI Corps, Army of the Potomac, to July 1864.
Reconnaissance to Pohick Church and Occoquan River November 12, 1861.
White Oak Swamp and Charles City Cross Roads June 30.
Burnside's 2nd Campaign, "Mud March," January 20–24, 1863.
Operations about Deep Run Ravine June 6–13.
Duty on line of the Rappahannock and Rapidan until October.
Repulse of Early's attack on Fort Stevens and the northern defenses of Washington July 11–12.
Pursuit of Early to Snicker's Gap July 14–19.
Sheridan's Shenandoah Valley Campaign August to December.
Gilbert's Ford, Opequan Creek, September 13.