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.
Royal Armoured Corps[]
Regular Army[]
- Armoured (Type 56, with Challenger 2 MBTs)
- The Queen's Royal Hussars
- The King's Royal Hussars (to re-equip with the Ajax as a "Medium armoured regiment")
- Royal Tank Regiment
- Armoured Reconnaissance (armed with FV107 Scimitar or in-process of converting to Ajax)
- Household Cavalry Regiment (converting to Ajax 2020/1)
- Royal Dragoon Guards (converting to Ajax 2021/2)
- Royal Lancers (Queen Elizabeth's Own) (to re-equip with Ajax and become a "medium armoured regiment")
- Light Cavalry (armed with the Jackal MWMIK)
- Queen's Royal Dragoon Guards (paired with the RY)
- Royal Scots Dragoon Guards (Carabiniers and Greys) (part with the SNIY)
- Light Dragoons (paired with the QOY)
Army Reserve[]
- Armoured (Type 56 armoured replacement regiments, with Challenger 2 MBTs)
- Royal Wessex Yeomanry (paired with all armoured regiments equipped with the Challenger)
- Light Cavalry (armed with the Jackal MWMIK)
- Royal Yeomanry (paired with QDG)
- Queen's Own Yeomanry (paired with the LD)
- Scottish and North Irish Yeomanry (paired with the SCOTS DG)
Infantry[]
Note: When a regiment is described as having n + n battalions, the first number is regular army battalions, and the second is Army Reserve battalions.
Foot Guards[]
- Grenadier Guards - 1 battalion + 1 company
- Coldstream Guards - 1 battalion + 1 company
- Scots Guards - 1 battalion + 1 company
- Irish Guards - 1 battalion
- Welsh Guards - 1 battalion
- The London Regiment - 1 battalion
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 + separate company
- Princess of Wales's Royal Regiment - 2 + 2 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 - 1 + 1 battalions
- Parachute Regiment - 3 + 1 battalions
- Royal Gurkha Rifles - 3 battalions
- The Rifles - 5 + 3 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 13 + 5 Regiments
- Corps of Royal Engineers 11 + 4 Regiments
- Royal Corps of Signals 12 + 4 Regiments
- Army Air Corps 6 + 1 Regiments
- Intelligence Corps 3 + 4 Companies
- Honourable Artillery Company 1 Regiment
Services[]
- Royal Army Chaplains Department
- Royal Logistic Corps 13 + 13 Regiments
- Royal Army Medical Corps 9 + 11 Regiments
- Corps of Royal Electrical and Mechanical Engineers - 8 + 3 Battalions
- 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 22 + 20 Bands
The original article can be found at List of British Army regiments and the edit history here.