| Lanark Highlands | |
| Official Name: | Township of Lanark Highlands |
| Settlement Type: | Township (lower-tier) |
| Pushpin Map: | Canada Southern Ontario |
| Pushpin Label Position: | Location of Lanark Highlands in Southern Ontario |
| Subdivision Type: | Country |
| Pushpin Map Caption: | Location in Southern Ontario |
| Subdivision Type1: | Province |
| Subdivision Type2: | County |
| Subdivision Name2: | Lanark |
| Government Type: | Township |
| Leader Title: | Reeve |
| Leader Name: | Peter McLaren |
| Leader Title1: | Governing Body |
| Leader Name1: | Lanark Highlands Township Council |
| Leader Title2: | MP |
| Leader Name2: | Scott Reid (CPC) |
| Leader Name3: | Randy Hillier (OPC) |
| Established Title: | Incorporated |
| Established Date: | July 1, 1997 |
| Area Land Km2: | 1048.83 |
| Population As Of: | 2016 |
| Population Footnotes: | [1] |
| Population Total: | 5338 |
| Population Density Km2: | 5.1 |
| Timezone: | EST |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | Postal code |
| Postal Code: | K0G 1K0 |
| Area Code: | 613, 343 |
| Coordinates: | 45.088°N -76.517°W |
| Website: | www.lanarkhighlands.ca |
Lanark Highlands is a township in eastern Ontario, Canada in Lanark County. The township administrative offices are located in the village of Lanark.
The current township was incorporated on July 1, 1997 by amalgamating the former townships of Darling, Lanark, and the previously combined township Lavant, Dalhousie and North Sherbrooke with the village of Lanark.
The township comprises the communities of Arklan, Boyds, Brightside, Bullock, California, Cedardale, Clyde Forks, Clydesville, Dalhousie Lake, Elphin, Flower Station, Folger, French Line, Halls Mills, Halpenny, Hood, Hopetown, Joes Lake, Lammermoor, Lanark, Lavant, Lavant Station, Lloyd, Marble Bluff, McDonalds Corners, Middleville, Pine Grove, Poland, Quinn Settlement, Rosetta, Tatlock, Watsons Corners, and White, as well as the ghost town of Herrons Mills.
In the 2021 Census of Population conducted by Statistics Canada, Lanark Highlands had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 1031.52km2, it had a population density of in 2021.[2]