Battery "F", 2nd Illinois Light Artillery Regiment was an artillery battery from Illinois that served in the Union Army during the American Civil War. The battery was organized in December 1861 at Cape Girardeau, Missouri. The unit fought at Shiloh, First Corinth, and Second Corinth in 1862 and at Vicksburg and Jackson in 1863. The battery served in the Atlanta campaign and at Nashville in 1864. It was mustered out of federal service in July 1865. The battery's first commander was John Wesley Powell who later led an exploration of the Grand Canyon.