| Official Name: | Cottlesville |
| Settlement Type: | Town |
| Pushpin Label Position: | left |
| Leader Name: | Rod Wheeler |
| Population As Of: | 2021 |
| Population Total: | 246 |
| Utc Offset: | -3:30 |
| Utc Offset Dst: | -2:30 |
| Coordinates: | 49.4953°N -54.8544°W |
Cottlesville is a rural community just outside Summerford on New World Island, Newfoundland and Labrador.
In the 2021 Census of Population conducted by Statistics Canada, Cottlesville had a population of living in of its total private dwellings, a change of from its 2016 population of .[1] With a land area of 11.15km2, it had a population density of in 2021.[2]