John Wesley Ackroyd (1925 – September 29, 1992) was a prominent Canadian Chief of Police and high level Ontario civil servant. He served as the chief of the Metro Toronto Police Force from 1980 to 1984. Known as an ideas man, and 'kind cop' he introduced community policing when he was the deputy chief. Though later, during his term as the chief, the biggest mass civilian arrest since the Second World War occurred in Toronto's Gay district. Following his retirement from the police force, he was head of the Liquor Control Board of Ontario from 1984 to 1990, where he modernized the retail operations and its marketing.