Battery I, 1st Missouri Light Artillery Regiment, also known as Buel's Independent Missouri Battery, was an artillery battery that served in the Union Army during the American Civil War. Organized in July 1861, Buell's Independent Battery fought at Shiloh and in the Corinth siege. After its name changed to Battery I, 1st Missouri Light Artillery Regiment in August 1862, it fought at Corinth, in operations supporting Streight's Raid, at Resaca, and at Rome Cross Roads before being assigned to the Nashville garrison. It fought at the Battle of Nashville and was mustered out in June 1865.