| Grosses-Roches | |
| Flag Size: | 120x80px |
| Pushpin Map: | Canada Eastern Quebec |
| Pushpin Map Caption: | Location in eastern Quebec |
| Coordinates: | 48.9333°N -77°W |
| Subdivision Type: | Country |
| Established Title: | Settled |
| Established Date: | mid 19th century |
| Established Title1: | Constituted |
| Established Date1: | August 19, 1939 |
| Leader Title: | Mayor |
| Leader Name: | Bruno Fournier |
| Area Total Km2: | 63.95 |
| Area Land Km2: | 63.59 |
| Population Total: | 375 |
| Population Density Km2: | 5.9 |
| Population Blank1 Title: | Pop (2016-21) |
| Population Blank1: | 4.8% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 261 |
| Utc Offset: | −5 |
| Utc Offset Dst: | −4 |
| Blank Name: | Highways |
Grosses-Roches is a municipality in Quebec, Canada.
Settlement began in the mid-19th century and the place was called Grosses-Roches (French for "big rocks"), referring to a large number of small, rounded, brownish rocks. In 1870, the parish of Saints-Sept-Frères was founded. In 1881, the post office opened.
On August 19, 1939, the Municipality of Grosses-Roches was formed when it ceded from the Parish Municipality of Sainte-Félicité.[1]
In the 2021 Census of Population conducted by Statistics Canada, Grosses-Roches had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 63.59km2, it had a population density of in 2021.
List of former mayors: