Donachie is a surname. Notable people with the surname include:
Barry Donachie (born 1979), Scottish football player
David Donachie (born 1944), Scottish novelist
James Donachie (born 1993), Australian football (soccer) player
Kaye Donachie (born 1970), British painter
Patrick Donachie (born 1983), Australian Paralympic swimmer
Ron Donachie (born 1956), Scottish actor
Willie Donachie (born 1951), Scottish international football player