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

The unit organized in September 1861 from the elements of two infantry regiments and served until 14 June 1865.

The battery participated in the battles of Cedar Mountain and Antietam in 1862 and Chancellorsville and Gettysburg in 1863.

That fall, Battery E transferred to the Western theater where it fought in the battles of Wauhatchie, Lookout Mountain, Missionary Ridge, and Ringgold Gap.

The years 1864–65 saw the unit take part in the Atlanta Campaign, Sherman's March to the Sea, and the battles of Averasborough and Bentonville.

Battery E marched in the Grand Review of the Armies before being mustered out.

Attached to W. F. Smith's Division, Army of the Potomac, to November, 1861.

Banks' Division, Army of the Potomac, to March, 1862.

Geary's Separate Brigade, Banks' 5th Army Corps, to April, 1862.

Artillery, 2nd Corps, Army of Virginia, to September, 1862.

Artillery Brigade, 12th Army Corps, to December, 1863.

Artillery, 2nd Division, 12th Corps, Army of the Cumberland, to April, 1864.

Artillery, 2nd Division, 20th Army Corps, to July, 1864.

Artillery Brigade, 20th Army Corps, to June, 1865.

SERVICE.--Camp at East Capital Hill, Defenses of Washington, until November 24, 1861.

Operations on line of Manassas Gap Railroad March 1–April 14.

Reconnaissance to Orange and Culpeper Court House July 12–17.

March to Fairfax Station December 9–17, and duty there until January 20, 1863.

Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 26–June 5.

Ruff's Station or Smyrna Camp Ground July 4.

Battery lost during service 2 Officers and 12 Enlisted men killed and mortally wounded and 11 Enlisted men by disease.