| Duck Lake 76B | |
| Official Name: | Duck Lake 76B Indian Reserve |
| Settlement Type: | Indian reserve |
| Pushpin Map: | Canada Ontario |
| Pushpin Mapsize: | 200 |
| Coordinates: | 47.8333°N -103°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Sudbury |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Brunswick House |
| Area Land Km2: | 1.95 |
| Population Footnotes: | [1] |
| Population Total: | 84 |
| Population As Of: | 2011 |
| Population Density Km2: | 43.1 |
| Website: | www.brunswickhouse firstnation.com |
Duck Lake 76B is a First Nations reserve in Sudbury District, Ontario. It is one of two reserves for the Brunswick House First Nation.