Independent Battery D, Pennsylvania Light Artillery, was an artillery battery that served in the Union Army during the American Civil War.

The battery participated in the battles of Second Bull Run, Chantilly, South Mountain, Antietam, and Fredericksburg in 1862.

The following year, Battery D transferred to the Western theater where it took part in the Siege of Vicksburg and other operations.

The years 1864–65 saw the unit fight at the first Petersburg assault, the Crater, Ream's Station, Battle of Peebles's Farm, Fort Stedman, and the final Petersburg assault.

Battery D took part in the Grand Review of the Armies before being mustered out.

Attached to McDowell's Division, Army of the Potomac, to March, 1862.

SERVICE.--Duty at Kalorama Heights, Defenses of Washington, D.C., until November 14, 1861.

Moved to Newport News February 7, thence to Cynthiana, Ky., March 23-April 1.

Sterling, Richmond, Lancaster, Crab Orchard and Stanford, Ky., until June.

Moved to Johnson's Island, Lake Erie, Ohio, November 12–16 to repel threatened raid to release prisoners.

Guarding supply trains through the Wilderness and to James River May 4-June 16.

Peeble's Farm, Poplar Grove Church, September 30-October 1.