List of British armies in the First World War

British Army lists
French Revolutionary and Napoleonic Wars
Armies, corps, and divisions Generals killed Awards
Victorian era
Formations during the era Crimean War divisions Second Boer War formations Submarine Miners
First World War
Corps Divisions Brigades Reserve Brigades Pals battalions Provisional battalions Entrenching battalions Tunnelling companies Generals killed Cavalry generals
Second World War
Field armies Corps Divisions Brigades Deception Royal Armoured Corps regiments Royal Artillery regiments
Regiments
Cavalry Foot Fencibles in 1800 in 1881 in 1962 in 2008 Present-day Nicknames
Officers
Senior officers Serving senior officers Generals and brigadiers Full generals
Other
Commands and Army groups Royal Artillery Batteries Yeomanry Regiments converted- to Royal Artillery Territorial Force Units in 1908 Territorial Army units in 2012 Current Reserve Units Barracks Cadet Force Equipment Lists of British Army units and formations

This page is a list of British army-level formations existing during the First World War.

• British Expeditionary Force (BEF)
  • First Army
  • Second Army
  • Third Army
  • Fourth Army
  • Fifth Army (originally the Reserve Army)
• Mediterranean Expeditionary Force (MEF)
  • Dardanelles Army
  • Egyptian Expeditionary Force (EEF)
  • British Salonika Army (BSF)
• Mesopotamian Expeditionary Force
• British Expeditionary Force in Italy

• Central Force
  • First Army
  • Second Army
  • Third Army
• Northern Army
• Southern Army

• Maj A.F. Becke,History of the Great War: Order of Battle of Divisions, Part 4: The Army Council, GHQs, Armies, and Corps 1914–1918, London: HM Stationery Office, 1944/Uckfield: Naval & Military Press, 2007, ISBN 1-847347-43-6.