Back Army of the Mississippi Danish ارتش میسیسیپی Persian Armée du Mississippi (unioniste) French Armata del Mississippi (Unione) Italian ミシシッピ軍 Japanese Army of the Mississippi Dutch Army of the Mississippi SIMPLE
| Army of the Mississippi | |
|---|---|
| Active | February 23, 1862 - October 1863 |
| Country |  United States of America |
| Branch |  United States Army |
| Type | Field Army |
| Engagements | American Civil War |
Army of the Mississippi was the name given to two Union armies that operated around the Mississippi River, both with short existences, during the American Civil War.