Douglas Albert Vivian Allen, Baron Croham GCB FRSA (15 December 1917 – 11 September 2011)[1] was a British politician and civil servant.

Having entered the British civil service, Allen worked in the Board of Trade between 1939 and 1947, and in HM Treasury between 1948 and 1958.

[citation needed] Allen was chairman of British National Oil Corporation (BNOC) from 1982 to 1986, of Guinness Peat Group (1982–87), and of Trinity Insurance Ltd (1987–92).

[citation needed] Allen was a Fellow of the Royal Society of Arts (FRSA) and was made an Honorary Doctor of Social Science (DSocSc) by the University of Southampton.

[2][3] Allen was married to Sybil Eileen Allegro from 1941 until his wife's death in 1994; the couple had two sons and a daughter.