List of corps of the United States
This is a list of field corps of the United States and Confederate States armies and the United States Marine Corps., there are three active Army corps, with an additional corps scheduled to be active by fall 2020.
- I Corps
- III Corps
- XVIII Airborne Corps
Former corps of the World War/Cold War/Gulf War eras
- I Armored Corps
- II Corps
- II Armored Corps
- III Armored Corps
- IV Corps
- IV Armored Corps
- V Corps
- VI Corps
- VII Corps
- VIII Corps
- IX Corps
- X Corps
- XI Corps
- XII Corps
- XIII Corps
- XIV Corps
- XV Corps
- XVI Corps
- XVII Corps
- XIX Corps
- XX Corps
- XXI Corps
- XXII Corps
- XXIII Corps
- XXIV Corps
- XXXIII Corps – World War II – see Fourteenth United States Army
- XXXV Airborne Corps – World War II deception formation – see Operation Pastel
- XXXVI Corps
- U.S. XXXVII Corps- World War II – see Fourteenth United States Army
- I Marine Amphibious Corps
- III Amphibious Corps
- V Amphibious Corps
- First Army Corps
- Second Army Corps
- Third Army Corps
- Fourth Army Corps
- Fifth Army Corps
- Sixth Army Corps
- Seventh Army Corps
- Eighth Army Corps
Civil War">American Civil War">Civil War Union Army corps
- I Corps
- II Corps
- III Corps
- IV Corps
- V Corps
- VI Corps
- VII Corps
- VIII Corps
- IX Corps
- X Corps
- XI Corps
- XII Corps
- XIII Corps
- XIV Corps
- XV Corps
- XVI Corps
- XVII Corps
- XVIII Corps
- XIX Corps
- XX Corps
- XXI Corps
- XXII Corps
- XXIII Corps
- XXIV Corps
- XXV Corps
- Cavalry Corps
- First Corps, Army of the Mississippi
- Second Corps, Army of the Mississippi
- Third Corps, Army of the Mississippi
- First Corps, Army of Northern Virginia
- Second Corps, Army of Northern Virginia
- Third Corps, Army of Northern Virginia
- Fourth Corps, Army of Northern Virginia
- Cavalry Corps, Army of Northern Virginia
- First Corps, Army of the Potomac
- Second Corps, Army of the Potomac
- First Corps, Army of Tennessee
- Second Corps, Army of Tennessee
