| Mont-Saint-Pierre | |
| Flag Size: | 120x80px |
| Pushpin Map: | Canada Eastern Quebec |
| Pushpin Map Caption: | Location in eastern Quebec |
| Coordinates: | 49.2225°N -65.8072°W |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Established Title: | Settled |
| Established Date: | 1858 |
| Established Title1: | Constituted |
| Established Date1: | January 1, 1947 |
| Leader Title: | Mayor |
| Leader Name: | Magella Emond |
| Area Total Km2: | 51.78 |
| Area Land Km2: | 52.07 |
| Area Note: | There is an apparent contradiction between two authoritative sources. |
| Population Total: | 186 |
| Population Density Km2: | 3.6 |
| Population Blank1 Title: | Pop (2016-21) |
| Population Blank1: | 20.0% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 133 |
| Utc Offset: | −5 |
| Utc Offset Dst: | −4 |
| Blank Name: | Highways |
Mont-Saint-Pierre (pronounced as /fr/) is a village municipality in Quebec, Canada, located in the regional county municipality of La Haute-Gaspésie in the administrative region of Gaspésie–Îles-de-la-Madeleine.
The village is located at the foot of the eponymous Mount Saint-Pierre. This high mount juts into the Gulf of Saint Lawrence, separating Cove Mont-Louis from Cove Mont-Saint-Pierre, into which the Mont-Saint-Pierre River flows. The place was formerly called Rivière-à-Pierre.
The 2021 census there were 186 inhabitants.
Mont-Saint-Pierre is well known for hang-gliding and paragliding, and home to the Mont-Saint-Pierre Ecological Reserve. The Festival of Free Flight (Fête de Vol Libre) is held each year since 1978.
Permanent settlement occurred in 1858. Its post office opened in 1904. In 1947, the village was incorporated when it separated from Mont-Louis.
In the 2021 Census of Population conducted by Statistics Canada, Mont-Saint-Pierre had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 52.07km2, it had a population density of in 2021.
As of 2021, the population speaks almost exclusively French. The breakdown of mother tongues is: