| Official Name: | Hartney |
| Settlement Type: | Unincorporated Urban Community |
| Pushpin Map: | Canada Manitoba |
| Pushpin Map Caption: | Location of Hartney in Manitoba |
| Subdivision Type3: | Rural Municipality |
| Subdivision Name3: | Grassland |
| Leader Title: | MP (Brandon-Souris) |
| Leader Name: | Larry Maguire (CPC) |
| Area Total Km2: | 2.68 |
| Population Total: | 499 |
| Population Density Km2: | 186.2 |
| Population As Of: | 2021 Census |
| Established Date: | 1882 |
| Established Title: | Established |
| Established Title1: | Incorporated |
| Established Date1: | 1905[1] |
| Established Title2: | Lost Incorporation |
| Established Date2: | January 1, 2015 |
| Coordinates: | 49.4808°N -100.5225°W |
| Leader Title1: | MLA |
| Leader Name1: | Doyle Piwniuk |
Hartney is an unincorporated urban community in the Municipality of Grassland within the Canadian province of Manitoba that held town status prior to January 1, 2015. It lies along the banks of the Souris River. Originally established in 1882, the community is named after James Harvey Hartney, an early postmaster in the district.[2]
The Hollywood film The Lookout featuring Jeff Daniels and Joseph Gordon-Levitt, and the film The Stone Angel featuring Ellen Burstyn, were filmed in Hartney in 2006; taking advantage of such buildings as the community's grain elevator and museum.
Hartney's local Member of Legislative Assembly is Doyle Piwniuk and the Member of Parliament for the area is Brandon—Souris MP Larry Maguire.
Six kilometres west of Hartney are the Lauder Sand Hills.
In the 2021 Census of Population conducted by Statistics Canada, Hartney had a population of 499 living in 210 of its 231 total private dwellings, a change of from its 2016 population of 462. With a land area of, it had a population density of in 2021.[3]