Battery G, 2nd Illinois Light Artillery Regiment was an artillery battery from Illinois that served in the Union Army during the American Civil War.

District of Columbus, Ky., 6th Division, 16th Army Corps, to June, 1864.

3rd Brigade, 2nd Division, Detachment Army of the Tennessee, Dept.

Grant's Central Mississippi Campaign October 31, 1862, to January 10, 1863.

Moved to Memphis, Tenn., January, 1863, thence to Lake Providence, La., February 22, and to Milliken's Bend April 17, Movement on Bruinsburg and turning Grand Gulf April 25–30.

While crossing river to Bruinsburg May 1 on Transport "Horizon" the boat was sunk in collision with Transport "Moderator" and guns and equipment lost.

Battery sent to Memphis, Tenn., for reequipment and rejoined for duty June 30, 1863.

At Grand Junction, Tenn., until January, 1864, and in District of Columbus, Ky., until June, 1864.

Operations in West Tennessee and Kentucky against Forest March 16-April 14.

March through Missouri in pursuit of Price September to November.