| Tehkummah | |
| Official Name: | Township of Tehkummah |
| Settlement Type: | Township (single-tier) |
| Pushpin Map: | CAN ON Manitoulin#Ontario |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ontario |
| Subdivision Type2: | District |
| Subdivision Name2: | Manitoulin |
| Government Type: | Township |
| Leader Title: | Reeve |
| Leader Name: | John Carter Deforge |
| Leader Title1: | MP |
| Leader Name1: | Carol Hughes (NDP) |
| Leader Name2: | Michael Mantha (NDP) |
| Established Title2: | Incorporated |
| Established Date2: | 1881 |
| Area Footnotes: | [1] |
| Area Land Km2: | 132.69 |
| Population As Of: | 2016 |
| Population Total: | 436 |
| Population Density Km2: | 3.3 |
| Timezone: | EST |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | Postal code |
| Postal Code: | P0P 2C0 |
| Area Code: | 705, 249 |
Tehkummah is a township in the Canadian province of Ontario, located on Manitoulin Island.
The best known community in the township is South Baymouth, the northern docking point of the MS Chi-Cheemaun passenger-car ferry which traverses the Main Channel of Georgian Bay from the community of Tobermory on the Bruce Peninsula. At the dock, the provincial Highway 6, whose southern segment ends at Tobermory, resumes and continues northward to its terminus at Highway 17 north of Espanola.
The administrative centre of the township is the community of Tehkummah.
The township also includes the ghost towns of Michael's Bay and Snowville.
In the 2021 Census of Population conducted by Statistics Canada, Tehkummah had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 131.7km2, it had a population density of in 2021.[2]