I Corps

1 Corps, 1st Corps, First Corps, or I Corps may refer to:

• I ANZAC Corps (Australia and New Zealand)
• I Corps (Australia)
• I Corps (Belgium)
• I Corps (British India)
• I Corps (Czechoslovakia)
• I Corps (France)
• I Corps (German Empire)
• I Corps (Grande Armée)
• I Corps (India)
• I Corps (North Korea)
• I Corps (Ottoman Empire)
• I Corps (Pakistan)
• I Corps (South Korea)
• I Corps (South Vietnam)
• I Corps (Union Army)
• I Corps (United Kingdom)
• I Corps (United States)
• I Army Corps (Germany)
• I Army Corps (Greece)
• I Amphibious Corps
• I Canadian Corps
• 1st Territorial Army Corps (Romania)
• I Airborne Corps (United Kingdom)
• I Armored Corps (United States)
• I Field Force, Vietnam (United States)
• Soviet 1st Guards Mechanized Corps
• 1st Corps of the Army of the Republic of Bosnia and Herzegovina
• I SS Panzer Corps
• Finnish I Corps (Winter War)
• Polish I Corps (disambiguation)
• First Corps, Army of Northern Virginia
• First Corps, Army of Tennessee
• 1st Corps (Vietnam People's Army), North Vietnam