Cogswell's Battery Illinois Light Artillery was an artillery battery from Illinois that served in the Union Army during the American Civil War. Organized in November 1861 as Company A, 53rd Illinois Infantry Regiment, it was detached as an independent artillery battery in March 1862. The battery participated in the Siege of Corinth in May 1862. The unit remained near Memphis, Tennessee until June 1863 when it was ordered to reinforce the Siege of Vicksburg. Cogswell's Battery took part in the Jackson Expedition, the Missionary Ridge and in the Knoxville campaign in 1863. After performing garrison duty for most of 1864, the unit fought at Nashville in December. In spring 1865, the battery fought at Spanish Fort and Fort Blakeley during operations against Mobile, Alabama. The battery was mustered out in August 1865.