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.

Active corps

As of March 2024[update], there are four active Army corps.

  • I Corps
  • III Corps
  • V 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
  • VI Corps
  • VII Corps
  • VIII Corps
  • IX Corps
  • X Corps
  • XI Corps
  • XII Corps
  • XIII Corps
  • XIV Corps
  • XV Corps
  • XVI 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 (1944–1945)
  • U.S. XXXVII Corps- World War II – see Fourteenth United States Army
  • I Field Force, Vietnam
  • II Field Force, Vietnam

World War II U.S. Marine Corps corps

Spanish–American War corps

  • First Army Corps (Spanish–American War)
  • Second Army Corps (Spanish–American War)
  • Third Army Corps (Spanish–American War)
  • Fourth Army Corps (Spanish–American War)
  • Fifth Army Corps (Spanish–American War)
  • Sixth Army Corps (Spanish–American War)
  • Seventh Army Corps (Spanish–American War)
  • Eighth Army Corps (Spanish–American 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

Confederate States Army corps