The city of Montreal, Quebec, Canada, held a municipal election at the same time as numerous other municipalities in Quebec, on November 1, 2009. Voters elected the Mayor of Montreal, Montreal City Council, and the mayors and councils of each of the city's boroughs.

The mayor of Montreal is head of the executive branch of the Montreal City Council. The current mayor is Valérie Plante, who was elected into office on November 5, 2017, and sworn in on November 16. The office of the mayor administers all city services, public property, police and fire protection, most public agencies, and enforces all city and provincial laws within Montreal, Quebec. The mayor is directly elected by citizens, by a plurality of votes, for a four-year term. The mayor's office is located in Montreal City Hall.