| Official Name: | Main Brook |
| Settlement Type: | Town |
| Pushpin Map: | Newfoundland |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Population As Of: | 2021 |
| Population Total: | 246 |
| Utc Offset: | −03:30 |
| Timezone Dst: | NDT |
| Utc Offset Dst: | −02:30 |
| Coordinates: | 51.1653°N -55.9875°W |
Main Brook is a town in the Canadian province of Newfoundland and Labrador. The town had a population of 246 in the Canada 2021 Census.
In the 2021 Census of Population conducted by Statistics Canada, Main Brook had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 28km2, it had a population density of in 2021.[1]