| Honorific Prefix: | Sir |
| Stanley von Donop | |
| Birth Date: | 22 February 1860 |
| Birth Place: | Bath, Somerset[1] |
| Death Place: | Bath, Somerset |
| Allegiance: | United Kingdom |
| Branch: | British Army |
| Rank: | Major General |
| Battles: | Second Boer War First World War |
| Awards: | Knight Commander of the Order of the Bath Knight Commander of the Order of St Michael and St George Mentioned in Despatches |
| Relations: | P. G. von Donop (brother) |
Major General Sir Stanley Brenton von Donop, (22 February 1860 – 17 October 1941) was a British Army officer who served as Master-General of the Ordnance from 1913 to 1916.[2]
Donop was born in Bath, Somerset, the youngest of four sons of Vice Admiral Edward von Donop and his wife, Louisa Mary Diana Brenton. His eldest brother was P. G. von Donop and his grandfather was the German official and historian Georg von Donop, an illegitimate grandson of Charlotte Sophie of Aldenburg.[3] He was educated at Wimbledon College and at the Royal Somersetshire College at Bath before attending the Royal Military Academy, Woolwich.[2]
Donop was commissioned into the Royal Garrison Artillery as a lieutenant on 18 January 1880, and was promoted to captain on 1 April 1888 and to major on 9 October 1897.[4] He served in the Second Boer War and in November 1900 was appointed commanding officer of Lord Methuen's Composite Regiment of Australian Bushmen, with the local rank (in South Africa) of lieutenant colonel. He led an important action at Kleinfontein the following year. For his service in the war, he was mentioned in despatches (dated 8 April 1902) and received a brevet promotion to lieutenant colonel in the South Africa honours list published on 26 June 1902.
In 1908 Donop was appointed Chief Instructor at the School of Gunnery and, in 1911, he was appointed Director of Artillery at the War Office.
Donop had a key role in the First World War, having been appointed Master-General of the Ordnance in 1913. He ordered the 6-inch howitzers, which were the main instrument for the bombardments on the Western Front.[5] He was also Colonel Commandant of the Royal Artillery.
Donop is described by a modern writer as being competent and hardworking, but as having a cold manner and showing a "barely concealed contempt for politicians". During the First World War these characteristics made him disliked by civilian colleagues who did not share his technical expertise, especially Prime Minister David Lloyd George.[6]