List of mayors of Longueuil

This article is a list about the mayors of Longueuil, Quebec and the municipalities that were folded into Longueuil to make the current city.

Before 1961, seven separate communities existed to form what is today known as Longueuil. They merged over the following decades, and Longueuil reached its current state.

This section lists a series of mergers involving Longueuil. In italic is the surviving municipality.

On January 28, 1961, these communities merged, keeping Longueuil's namesake:

• Longueuil
• Montréal-Sud

In 1969, Longueuil merged again with another neighbouring city:

• Longueuil
• Ville Jacques-Cartier

In October, 1971, neighbouring Saint-Hubert had a merger as well:

• Saint-Hubert
• Laflèche

On January 1, 2002, Longueuil and seven other south shore municipalities merged:

• Longueuil
• Boucherville
• Brossard
• Greenfield Park
• LeMoyne
• Saint-Bruno-de-Montarville
• Saint-Hubert
• Saint-Lambert

On January 1, 2006, four of the municipalities previously merged in 2002 voted to secede from Longueuil:

• Boucherville
• Brossard
• Saint-Bruno-de-Montarville
• Saint-Lambert

Therefore, Longueuil is currently composed of:

• Longueuil
• Greenfield Park
• LeMoyne
• Saint-Hubert

• City of Longueuil - Borough of Le Vieux-Longueuil
• City of Longueuil - Borough of Greenfield Park
• City of Longueuil - Borough of Saint-Hubert
• Societé historique du Marigot