List of British Army formations during the Second Boer War

This is a list of all British formations mobilised to serve in the Second Boer War

Formation name	Created	Ceased to exist	Locations served	Notes	Ref
1st Division
2nd Division
3rd Division
4th Division	March 1900	October 1900	Natal, Transvaal	Formed from garrison of Ladysmith after Siege	^[1]
5th Division	November 1899	October 1900	Natal, Transvaal		^[2]
6th Division
7th Division
8th Division
9th Division
10th Division
11th Division
Colonial Division
Cavalry Division
1st Mounted Division
2nd Mounted Division
3rd Mounted Division
4th Mounted Division
5th Mounted Division

Formation name	Created	Ceased to exist	Locations served	Notes	Ref
1st (Guards) Brigade				Existing brigade at Aldershot	^[3]^[4]
2nd Brigade				Existing brigade at Aldershot	^[3]^[4]
3rd (Highland) Brigade				Existing brigade at Aldershot	^[3]^[4]
4th (Light) Brigade				Existing brigade	^[3]
5th (Irish) Brigade				Existing brigade	^[3]
6th (Fusilier) Brigade				Existing brigade	^[3]
7th Brigade	March 1900	October 1900	Natal, Transvaal	Formed in the garrison of Ladysmith	^[1]
8th Brigade	March 1900	October 1900	Natal, Transvaal	Formed in the garrison of Ladysmith	^[1]
9th Brigade	November 1899			Formed from troops already in Cape Colony
10th (Fusilier) Brigade	November 1899				^[2]
11th (Lancashire) Brigade	November 1899				^[2]
12th Brigade
13th Brigade
14th Brigade
15th Brigade
16th Brigade
16th Brigade
17th Brigade
18th Brigade
19th Brigade
20th Brigade
21st Brigade
22nd Brigade
23rd Brigade

Divisions