List of the Armies of the United States

• Army of Arkansas
• Army of Central Kentucky
• Army of Kentucky
• Army of New Mexico
• Army of Observation
• Army of Reserve
• Army of Southeast Missouri
• Army of the Border
• Army of the Chesapeake
• Army of the Cumberland
• Army of the Frontier
• Army of the Gulf
• Army of the James
• Army of the Kanawha
• Army of the Mississippi
• Army of the Monongahela
• Army of the Ohio
• Army of the Potomac
• Army of the Shenandoah
• Army of the Susquehanna
• Army of the Tennessee
• Army of West Mississippi
• Army of West Virginia