| Desmond Mangham | |
| Birth Date: | 29 August 1924 |
| Allegiance: | United Kingdom |
| Branch: | British Army |
| Serviceyears: | 1943–1979 |
| Rank: | Major General |
| Commands: | 2nd Division 3rd Regiment Royal Horse Artillery |
| Battles: | Second World War |
| Awards: | Companion of the Order of the Bath |
Major General William Desmond Mangham, (29 August 1924 – 23 November 2014) was a British Army officer who commanded the 2nd Division from 1974 to 1976.
Educated at Ampleforth College,[1] Mangham was commissioned into the Royal Artillery in 1943 during the Second World War.[2] He became commanding officer of the 3rd Regiment Royal Horse Artillery in 1966.[2] He was appointed Commander Royal Artillery for the 2nd Division in 1968, chief of staff for 1st (British) Corps in 1972 and General Officer Commanding 2nd Division in 1974.[2] His last appointment was as Vice Quartermaster-General in 1976 before retiring in 1979.[2]
In retirement Mangham became Director of the Brewer's Association.[2] He died on 23 November 2014.[3]
In 1960 Mangham married Susan Humfrey; they had two sons and two daughters.[2]