| Army of the West Trans-Mississippi District | |
|---|---|
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| Active | March 4, 1862–September 28, 1862 |
| Country |  Confederate States of America |
| Branch |  Confederate States Army |
| Engagements | Battle of Pea Ridge Battle of Iuka Second Battle of Corinth Battle of Hatchie's Bridge |
| Commanders | |
| Notable commanders | Earl Van Dorn John P. McCown Sterling Price |
The Army of the West, also known as the Trans-Mississippi District, was a formation of the Confederate States Army during the American Civil War that was a part of the Army of Mississippi. It saw action in the Battle of Pea Ridge, Battle of Corinth, and Battle of Iuka and consisted of about 20,000 personnel.