General Sir Thomas Sheridan Riddell-Webster, GCB, DSO, DL (12 February 1886 – 25 May 1974) was a British Army officer who served as Quartermaster-General to the Forces during the Second World War.

[1] He was educated at Harrow School and the Royal Military Academy, Woolwich, and was commissioned as a second lieutenant into the Cameronians (Scottish Rifles) on 16 August 1905.

[3][4] Riddell-Webster served in the First World War, initially as a staff captain (appointed 3 November 1914)[5] then as a deputy assistant adjutant and quartermaster general in France (17 July 1915).

[12] He was appointed Deputy Assistant Quartermaster General at the Staff College in 1922, and was brevetted to lieutenant colonel on 12 March 1923.

In 1930 he was made Commanding Officer of 2nd Battalion, Cameronians,[14] and promoted to substantive lieutenant colonel on 16 December of that year.

[15] He was promoted to colonel on 27 June 1933, became Assistant Quartermaster General at the War Office that year, and Commander of the Poona (Independent) Brigade Area in 1935.

[23] With his American counterpart, Lieutenant General Brehon B. Somervell, he co-authored a proposal to establish a ground supply route to China from Assam through Burma.