| Sheshegwaning 20 | |
| Official Name: | Sheshegwaning Indian Reserve No. 20 |
| Settlement Type: | Indian reserve |
| Pushpin Map: | CAN ON Manitoulin#Ontario |
| Coordinates: | 45.9333°N -133°W |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ontario |
| Subdivision Type2: | District |
| Subdivision Name2: | Manitoulin |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Sheshegwaning |
| Area Land Km2: | 20.28 |
| Population Footnotes: | [1] |
| Population Total: | 118 |
| Population As Of: | 2011 |
| Population Density Km2: | 5.8 |
| Website: | www.sheshegwaning.org/default.asp |
Sheshegwaning First Nation is an Odawa First Nation on Manitoulin Island in Ontario, Canada. Its land base is located on the Sheshegwaning 20 reserve.