Saint-Isidore (French pronunciation: [sɛ̃t‿izidɔʁ]) is a former village in Gloucester County, New Brunswick, Canada.

With the population being Acadian, almost all of its inhabitants speak French as a mother tongue and are of the Catholic religion.

The local school name is École la Relève and offers kindergarten through seventh grade classes.

Gagnon in 1876 and merged with the community of Bois-Hébert which was incorporated in 1991 as the current Village de Saint-Isidore.

On 1 January 2023, Saint-Isidore amalgamated with the village of Paquetville and all or part of six local service districts to form the new town of Hautes-Terres.