| Dufferin | |
| Official Name: | Rural Municipality of Dufferin |
| Settlement Type: | Rural municipality |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Manitoba |
| Subdivision Type2: | Region |
| Subdivision Name2: | Pembina Valley |
| Leader Title: | Reeve |
| Leader Title1: | Councillors |
| Leader Title2: | Office location |
| Established Title1: | Incorporated |
| Established Date1: | November 1, 1890 |
| Area Total Km2: | 916.11 |
| Population Total: | 2,543 |
| Population As Of: | 2021 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
Dufferin is a rural municipality in the Pembina Valley Region of the province of Manitoba in Western Canada. The separately administered town of Carman lies near its centre.
The R.M. was named after Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava who was Governor General of Canada (1872–78). The now rural municipality was described as a new settlement in 1874.
In the 2021 Census of Population conducted by Statistics Canada, Dufferin had a population of 2,543 living in 761 of its 806 total private dwellings, a change of from its 2016 population of 2,435. With a land area of, it had a population density of in 2021.[1]