General Sir Jack Wentworth Harman, GCB, OBE, MC (20 July 1920 – 28 December 2009) was a British Army officer who served as Adjutant-General to the Forces from 1976 to 1978.

Following the war Harman held various appointments at regimental, divisional and corps, level rising to fulfil the role of Adjutant-General to the Forces in 1976.

In later life he served as a director of an insurance brokers and vice-chairman of the National Army Museum and the Automobile Association before he died in 2009, at the age of 89.

[3] Upon completion of training at the Royal Military College, Sandhurst, Jack Harman was commissioned into the 2nd Dragoon Guards (Queen's Bays) on 2 March 1940.

[4][2] Promoted to lieutenant on 2 September 1941,[5][2] he served in the Second World War and was awarded the Military Cross in August 1943, "in recognition of gallant and distinguished services in the Middle East.

[11] Promoted to brigadier on 31 December 1966,[12][2] after attending the Imperial Defence College in 1967[2] he became Assistant Chief of Staff, Intelligence and Operations in January 1968.