Donald Lavoie (born 21 May 1942) is a self-proclaimed former hit man for the Dubois Gang, situated in Montreal, Quebec, Canada. During his career as a hit man, Lavoie assassinated at least 15 people, to which he later confessed. Lavoie's testimony was used by the Montreal Police Force to convict members of the Dubois Gang. Until his testimony, the Dubois Gang had been nearly impossible to infiltrate.