| Shoal Lake 40 | |
| Official Name: | Shoal Lake Indian Reserve No. 40 |
| Settlement Type: | Indian reserve |
| Pushpin Map: | Canada |
| Pushpin Mapsize: | 200 |
| Coordinates: | 49.6167°N -104°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Provinces |
| Subdivision Name1: | , |
| Subdivision Type2: | District / Division |
| Subdivision Name2: | Kenora / Division 1 |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Shoal Lake 40 |
| Area Land Km2: | 26.21 |
| Population Footnotes: | [1] [2] |
| Population Total: | 101 |
| Population As Of: | 2011 |
| Population Density Km2: | 3.9 |
| Website: | www.shoallake40.ca |
Shoal Lake 40 is a First Nations reserve straddling the border of Manitoba and Ontario on the shores of Shoal Lake. It is one of the reserves of the Shoal Lake 40 First Nation.