Sir John Maxwell CBE (24 December 1882 – 14 February 1968[1]) was a British police officer.
Maxwell grew up in Muirkirk, Ayrshire.[1] He joined the Manchester City Police in 1901 and served as Chief Constable from 1927 to November 1942.[1] He was appointed Commander of the Order of the British Empire (CBE) in the 1936 New Year Honours[2] and knighted in the 1941 New Year Honours.[3]
Maxwell's involvement in the 1940/1941 Greenfield case over his dismissal of a fireman resulted in considerable negative publicity.