Financial Secretary to the War Office was an office of the British government, the financial secretary of the War Office department.

Date	Name
5 August 1870	John Cranch Walker Vivian
15 November 1871	Henry Campbell-Bannerman
26 February 1874	Frederick Stanley
13 August 1877	Robert Loyd-Lindsay
28 April 1880	Henry Campbell-Bannerman
13 May 1882	Sir Arthur Hayter
26 June 1885	Sir Stafford Northcote
6 February 1886	Herbert Gladstone
4 August 1886	St John Brodrick
22 August 1892	William Woodall
3 July 1895	Joseph Powell-Williams
1 January 1901	Lord Stanley
12 October 1903	William Bromley-Davenport
14 December 1905	Thomas Buchanan
12 April 1908	Francis Dyke Acland
4 March 1910	Charles Mallet
31 January 1911	Francis Dyke Acland
25 October 1911	Harold Tennant
14 June 1912	Harold Baker
30 May 1915	Henry Forster
18 December 1919	Sir Archibald Williamson
1 April 1921	George Frederick Stanley
31 October 1922	Stanley Jackson
15 March 1923	Rupert Gwynne
23 January 1924	John James Lawson
11 November 1924	Henry Douglas King
13 January 1928	Duff Cooper
11 June 1929	Manny Shinwell
5 June 1930	William Sanders
3 September 1931	Duff Cooper
29 June 1934	Douglas Hacking
28 November 1935	Sir Victor Warrender
3 April 1940	Sir Edward Grigg
17 May 1940	Richard Law
20 July 1941	Duncan Sandys
7 February 1943	Arthur Henderson
26 May 1945	Maurice Petherick
4 August 1945	Frederick Bellenger
4 October 1946	John Freeman

The post was combined with that of Under-Secretary of State for War from 17 April 1947.