Donkin is a surname. Notable people with the surname include:
Billy Donkin (1900-1974), English footballer
Bryan Donkin (1768–1855), English engineer, inventor and industrialist
Sir Horatio Bryan Donkin (1 February 1842 (Blackheath, Kent)- 1927), generally called 'Bryan'; a British medical doctor and political radical [1]. Son of Bryan Donkin; educated at Queen's College, Oxford; married to August Margaretha Elizabeth
Bryan Donkin Junior (1835–1902), mechanical engineer
John Donkin (1802–1854), engineer
Dylan Donkin (21st century), American musician
Mike Donkin (1951–2007), English reporter and journalist
Peter Langloh Donkin (1913-2000), Air Commodore
Robin Donkin (1928–2006), English historian and geographer
Rufane Shaw Donkin (1773–1841), British soldier
Sydney Donkin (1871–1952), engineer
William Donkin (disambiguation)
William Fishburn Donkin (1814–1869), professor of astronomy at Oxford
William Donkin (physician) (1911–1969), mandali of Meher Baba
