| Army of Arkansas | |
|---|---|
| Active | 1863–1865 |
| Country |  United States of America |
| Branch |  United States Army |
| Type | Field army |
| Engagements | American Civil War |
| Commanders | |
| Notable commanders | Frederick Steele Joseph J. Reynolds |
The Army of Arkansas was a Union Army that served in the Trans-Mississippi Theater during the American Civil War. This force functioned exclusively in the state of Arkansas.