2 Medium Regiment (India)
2/1st Medium Regiment (Australia)
2/4th Chasseurs à Cheval Regiment
2/10th Armoured Regiment (Australia)
2/6th Cavalry Commando Regiment (Australia)
2 (Training) Regiment Army Air Corps
2 Medical Regiment (United Kingdom)
2/9th Cavalry Commando Regiment (Australia)
2/7th Cavalry Commando Regiment (Australia)
2/6th Armoured Regiment (Australia)
2 Combat Engineer Regiment
2/5th Field Regiment
2/11th Armoured Car Regiment (Australia)
2/4th Armoured Regiment (Australia)
Mercian Regiment
2/12th Field Regiment (Australia)
2/3rd Field Regiment (Australia)
2nd Alpine Signal Regiment
2/7th Field Regiment (Australia)
Värmland Regiment
2nd Dragoon Regiment (Denmark)
2/4th Lancers Regiment
2nd (Pomeranian) Cuirassier Regiment "Queen"
2nd Signal Regiment (United Kingdom)
Welch Regiment
135th Aviation Regiment (United States)
Royal Yorkshire Regiment
Duke of Lancaster's Regiment
2nd Artillery Regiment
6th Battalion, Essex Regiment
List of RAF Regiment units
2nd Mountain Artillery Regiment (Italy)
2nd Marine Regiment
Wessex Regiment
2nd Engineer Regiment (Italy)
124th Infantry Regiment (United States)
Regiment "Piemonte Cavalleria" (2nd)
32 Combat Engineer Regiment
2nd Foreign Parachute Regiment
2nd Battalion, Parachute Regiment
2 Military Police Regiment
2nd Legions' Infantry Regiment
75th Ranger Regiment
2/5th Armoured Regiment (Australia)
2 Locating Regiment
2/9th Armoured Regiment (Australia)
12th Cavalry Regiment
2/8th Armoured Regiment (Australia)
Princess of Wales's Royal Regiment
16th Regiment Royal Artillery
2/7th Armoured Regiment (Australia)
Autshumato Anti-Aircraft Regiment
Johannesburg Light Horse Regiment
35th Field Artillery Regiment
Glider Pilot Regiment
2nd Alpini Regiment
89th (Princess Victoria's) Regiment of Foot
Combat Logistics Regiment 2
Parachute Regiment (United Kingdom)
2nd Guards Uhlans
641st Aviation Regiment (United States)
Göta Engineer Regiment
13th Signal Regiment (United Kingdom)
No. II Squadron RAF Regiment
2nd/14th Light Horse Regiment
2nd Battalion, Ulster Defence Regiment
2nd Royal Bavarian Uhlans
101st Cavalry Regiment
2/39 Evzone Regiment
13th Aviation Regiment (United States)
5th (Huntingdonshire) Battalion, Northamptonshire Regiment
16th Infantry Regiment (United States)
2nd Air Defense Artillery Regiment
Flying Regiment 2, Finnish Air Force
229th Aviation Regiment (United States)
2nd Squadron, 107th Cavalry Regiment
Royal Highland Fusiliers
2/4th Field Regiment (Australia)
2/1st Field Regiment (Australia)
2/8th Field Regiment (Australia)
2/6th Field Regiment (Australia)
2. Hannoversches Infanterie-Regiment Nr. 77
2/10th Field Regiment (Australia)
2/14th Field Regiment (Australia)
2/11th Field Regiment (Australia)
2/9th Field Regiment (Australia)
2/2nd Field Regiment (Australia)
2nd Tennessee Infantry Regiment (Union)
2 (City of Dundee) Signal Squadron
Lanarkshire Yeomanry
2/15th Field Regiment (Australia)
United States Engineer Regiments in World War II
Lancashire Hussars
2/3rd Anti-Tank Regiment (Australia)
2/2nd Anti-Tank Regiment (Australia)
2/1st Anti-Tank Regiment (Australia)
43rd (Wessex) Signal Regiment
2/4th Anti-Tank Regiment (Australia)
Imperial and Royal Uhlan Regiment "Prince of Schwarzenberg" No. 2.
2 Field Engineer Regiment (South Africa)
143rd Infantry Regiment (United States)
Royal Logistic Corps
Norfolk Yeomanry
Queen's Own Dorset Yeomanry
Bedfordshire Yeomanry
Ayrshire (Earl of Carrick's Own) Yeomanry
Denbighshire Hussars
Leicestershire Yeomanry
Worcestershire Rifles
Fighter Squadron 2/30 Normandie-Niemen
90th Punjabis
50th (Northumbrian) Signal Regiment
Surrey Yeomanry
Scottish Horse
Shropshire Yeomanry
Northumberland Hussars
South Nottinghamshire Hussars
Essex Yeomanry
Royal Scots Greys
Lovat Scouts
Suffolk Yeomanry
Westmorland and Cumberland Yeomanry
Sussex Yeomanry
Staffordshire Yeomanry
West Somerset Yeomanry
Royal Buckinghamshire Yeomanry
Queen's Own Yorkshire Dragoons
Yorkshire Hussars
5th Battalion, Royal Northumberland Fusiliers
Royal Corps of Signals
Lothians and Border Horse
Royal Wiltshire Yeomanry
Queen's Own Royal Glasgow Yeomanry
Queen's Own Worcestershire Hussars
Pembroke Yeomanry
Royal Gurkha Rifles
Northamptonshire Yeomanry
Edinburgh City Artillery
Berkshire Yeomanry
Duke of Lancaster's Own Yeomanry
East Riding of Yorkshire Yeomanry
Glamorgan Yeomanry
Berkshire Royal Horse Artillery
Warwickshire Yeomanry
Westminster Dragoons
Royal East Kent Yeomanry
City of London Yeomanry (Rough Riders)
Hertfordshire Yeomanry
Hampshire Yeomanry
Royal 1st Devon Yeomanry
Queen's Own Oxfordshire Hussars
North Somerset Yeomanry
1st Monmouthshire Artillery Volunteers
Kent Cyclist Battalion
2nd Battalion, 23d Marines
2nd Battalion, 24th Marines
Middlesex Yeomanry
2nd Battalion, 6th Marines
2nd Battalion, 25th Marines
Dundee Fortress Royal Engineers
2nd Battalion, 1st Marines
1st Argyll and Bute Artillery Volunteers
2nd Battalion, 14th Marines
2nd Battalion, 5th Marines
Royal Military Police
1st Hampshire Engineers
1st Middlesex Engineers
Glamorgan Fortress Royal Engineers
Tower Hamlets Engineers
North Midland Divisional Engineers
1st Somersetshire Engineers
Kent Fortress Royal Engineers
List of units of the Finnish Air Force during the Winter War
No. 695 Squadron RAF