The 52nd New York Infantry Regiment (or German Rangers, or Sigel Rifles) was an infantry regiment in the Union Army during the American Civil War.

The regiment was created by the consolidation of six companies known as the "German Rangers" under Colonel Emil Von Schoening with four companies known as the "Sigel Rifles" under the command of Colonel Frank.

(At the time of the consolidation part of the "Honved Regiment", under the command of Colonel Edward Count Wratislaw, had already been merged into the "German Rangers".)

The regiment was attached to French's 3rd Brigade, Sumner's Division, Army of the Potomac, to March 1862.

3rd Brigade, Richardson's 1st Division, II Corps, Army of the Potomac, to August 1862.

Consolidated Brigade, 1st Division, II Corps, to November 1862.

3rd Brigade, 1st Division, II Corps, to July 1865.

The 52nd New York Infantry mustered out of service on July 25, 1865.

Peach Orchard and Savage Station June 29.

Movement to Fortress Monroe, then to Alexandria and Centreville August 16–30.

Cover Pope's retreat to Fairfax Court House September 1.

Advance up Loudoun Valley and movement to Falmouth, Va., October 29-November 17.

Jerusalem Plank Road, Weldon Railroad, June 22–23, 1864.

Dabney's Mills, Hatcher's Run, February 5–7, 1865.

Sutherland Station and fall of Petersburg April 2.