Maurice Perrault (12 June 1857 – 11 February 1909) was a Canadian architect, civil engineer, and politician. Born in Montreal, Canada East, the son of Henri-Maurice Perrault, a surveyor and architect, and Marie-Louise-Octavie Masson, Perrault studied at the Petit Séminaire de Montréal from 1867 to 1875. He studied surveying and architecture from 1875 to 1879. In 1880, he went to work in his father's company, which was called Perrault et Mesnard. Here, he was involved in the design of Sainte-Cécile in Salaberry-de-Valleyfield (1882–84); Sainte-Anne in Varennes (1883–87); Saint-Antoine in Longueuil (1884–87); and Saint-Charles in Lachenaie (1888–90). He later designed Laval University, St. Denis Street, 1893–94.