Under-Secretary of State for War
Parliamentary Under-Secretaries of State for War, 1794–1966
- 1794: Sir Evan Nepean, Bt
- 1795: William Huskisson
In 1801 the offices for War and the Colonies were merged. See Under-Secretary of State for War and the Colonies. They were separated again in 1854.
- 1854: H. Roberts
- 1855: F. Peel
- 1857: Sir J. Ramsden
- 1858: Viscount Hardinge
- March 1859: Earl of Rosslyn
- June 1859: Earl de Grey and Ripon
- January 1861: T.G. Baring
- July 1861: Earl de Grey and Ripon
- 1863: Marquess of Hartington
- February 1866: Lord Dufferin
- July 1866: Earl of Longford
- 1868: Lord Northbrook
- 1872: Marquess of Lansdowne
- 1874: Earl of Pembroke
- 1875: Earl Cadogan
- 1878: Viscount Bury
- 1880: Earl Morley
- 1885: Viscount Bury
- February 1886: Lord Sandhurst
- August 1886: Lord Harris
- 1890: Earl Brownlow
- 1892: Lord Sandhurst
- January 1895: Lord Monkswell
- July 1895: W.StJ. Brodrick
- 1898: G. Wyndham
- 1900: Lord Raglan
- 1902: Earl of Hardwicke
- 1903: Earl of Donoughmore
incomplete
Permanent Under-Secretaries of State for War, 1854–1966
- 1854: G.C. Mundy
- 1857: Sir B. Hawes
- 1862: Sir E. Lugard
- 1871: J.C. Vivian
- 1878: Sir R.W. Thomson
- 1895: Sir A.L. Haliburton
- 1897: Sir R.H. Knox
- 1901: Sir E.W.D. Ward
- 1914: Sir R. Brade
- 1920: Sir H. Creedy
- 1939: Sir J. Grigg
- 1942: Sir F. Bovenschen and Sir E. Speed
- 1945: Sir E. Speed
- 1949: Sir G. Turner
- 1956: Sir E. Playfair
- 1960: (Sir) R. Way
- 1963: (Sir) A. Drew