Battery D, 1st Illinois Light Artillery Regiment was an artillery battery from the state of Illinois that served in the Union Army during the American Civil War.

The unit fought at Fort Donelson and Shiloh in 1862, Port Gibson, Raymond, Jackson, Champion Hill, and Vicksburg in 1863, and Meridian, Atlanta, and Nashville in 1864.

Ordered to Fort Holt, Ky., September 18, and duty there until February, 1862.

Attached to 2nd Brigade, 1st Division, District of Cairo, February, 1862.

Artillery, 3rd Division, Right Wing 13th Army Corps, to December, 1862.

Garrison Artillery, Clarksville, Tenn. 5th Sub-District, District Middle Tennessee, to July, 1865.

Grant's Central Mississippi Campaign November 2, 1862, to January 10, 1863.

Moved to Lake Providence, La., February 20–24, thence to Berry's Landing March 16, and to Milliken's Bend April 19.

Advance on Bruinsburg and turning Grand Gulf April 25–30.

Moved to Cairo, Ill., April 28, thence to Clifton, Tenn., April 30 – May 5, March to Huntsville, Ala., May 5–23, thence to Ackworth, Ga., via Decatur and Warrenton, Ala., and Rome and Kingston, Ga., May 28 – June 8.

Operations about Marietta and against Kenesaw Mountain June 10 – July 2.