The 11th Missouri Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.
Service
The 11th Missouri Infantry Regiment was organized at Jefferson Barracks at St. Louis, Missouri, and mustered in for three years on August 6, 1861. In its early history, the regiment was known as the "Missouri Rifles".
Moved to Cape Girardeau, Missouri, August 16, 1861. Attached to Military District of Cairo, Ill., Dept. of Missouri, to February 1862. 2nd Brigade, 1st Division, Army of Mississippi, to March 1862. 2nd Brigade, 5th Division, Army of Mississippi, to April 1862. 1st Brigade, 3rd Division, Army of Mississippi, to April 1862. 2nd Brigade, 2nd Division, Army of Mississippi, to November 1862. 2nd Brigade, 8th Division, Left Wing 13th Army Corps (Old), Dept. of the Tennessee, to December 1862. 2nd Brigade, 8th Division, 16th Army Corps, to April 1863. 2nd Brigade, 3rd Division, 15th Army Corps, Army of the Tennessee, to December 1863. 2nd Brigade, 1st Division, 16th Army Corps, to December 1864. 2nd Brigade, 1st Division (Detachment), Army of the Tennessee, Dept. of the Cumberland, to February 1865. 2nd Brigade, 1st Division, 16th Army Corps (New), Military Division West Mississippi, to August 1865. District of Alabama to December 1865.