List of British Army regiments

This is a current and updated list of regiments of the British Army, changing as new regiments are formed following the defence review Delivering Security in a Changing World. This list has however changed since the implementation of Army 2020.

Household Cavalry
Both formed by squadrons from the Life Guards and Blues and Royals
 * Household Cavalry Regiment
 * Household Cavalry Mounted Regiment

Heavy Cavalry

 * 1st The Queen's Dragoon Guards
 * Royal Scots Dragoon Guards (Carabiniers and Greys)
 * Royal Dragoon Guards

Light Cavalry

 * The Queen's Royal Hussars (The Queen's Own and Royal Irish)
 * 9th/12th Royal Lancers (Prince of Wales's)
 * King's Royal Hussars
 * Light Dragoons
 * Queen's Royal Lancers

The Royal Tank Regiment

 * 1st Royal Tank Regiment
 * 2nd Royal Tank Regiment

Infantry
Note: When a regiment is described as having n + n battalions, the first number is regular army battalions, and the second is TA battalions.

Foot Guards

 * Grenadier Guards - 1 battalion
 * Coldstream Guards - 1 battalion
 * Scots Guards - 1 battalion
 * Irish Guards - 1 battalion
 * Welsh Guards - 1 battalion
 * The London Regiment - 1 battalion Includes London Scottish / PWRR / RRF / Royal Irish

Note: The Grenadier Guards, Coldstream Guards and Scots Guards each have a single incremental company stationed in London on public duties that maintains the history and traditions of each regiment's 2nd Battalion, which are all in suspended animation.

Line Infantry and Rifles

 * Royal Regiment of Scotland - 4 + 2 battalions
 * Princess of Wales's Royal Regiment - 2 + 1 battalions
 * Duke of Lancaster's Regiment - 2 + 1 battalions
 * Royal Regiment of Fusiliers - 1 + 1 battalions
 * Royal Anglian Regiment - 2 + 1 battalions
 * Yorkshire Regiment - 2 + 1 battalions
 * Royal Welsh - 1 + 1 battalions
 * Mercian Regiment- 2 + 1 battalions
 * The Royal Irish Regiment (27th (Inniskilling) 83rd and 87th and The Ulster Defence Regiment) - 1 + 1 battalion
 * Parachute Regiment - 2 + 1 battalions
 * Royal Gurkha Rifles - 2 battalions
 * The Rifles - 5 + 2 battalions
 * Royal Gibraltar Regiment - 1 battalion

Special Forces

 * Special Air Service Regiment 1 + 2 regiments
 * Special Reconnaissance Regiment

Support Arms and Services

 * Royal Regiment of Artillery 15 + 6 Regiments
 * Corps of Royal Engineers 15 + 7 Regiments
 * Royal Corps of Signals
 * Army Air Corps 7 + 1
 * Intelligence Corps
 * Honourable Artillery Company 1 Regiment

Services

 * Royal Army Chaplains Department
 * Royal Logistic Corps
 * Royal Army Medical Corps
 * Corps of Royal Electrical and Mechanical Engineers
 * Adjutant General's Corps
 * Royal Army Veterinary Corps
 * Small Arms School Corps
 * Royal Army Dental Corps
 * Royal Army Physical Training Corps
 * General Service Corps
 * Queen Alexandra's Royal Army Nursing Corps
 * Corps of Army Music