| Whitemouth | |
| Official Name: | Rural Municipality of Whitemouth |
| Settlement Type: | Rural municipality |
| Coordinates: | 49.9669°N -95.9583°W |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Manitoba |
| Subdivision Type2: | Region |
| Subdivision Name2: | Eastman Region |
| Established Title: | First incorporated |
| Established Date: | March 1, 1905 |
| Unit Pref: | Metric |
| Area Total Km2: | 697.35 |
| Population Footnotes: | [1] |
| Population Total: | 1,630 |
| Population As Of: | 2021 |
| Population Density Km2: | auto |
| Timezone1: | CST |
| Utc Offset1: | -6 |
| Timezone1 Dst: | CDT |
| Utc Offset1 Dst: | -5 |
| Established Date1: | January 1, 2015 |
| Established Title1: | Incorporated (amalgamated) |
The Rural Municipality of Whitemouth is a rural municipality (RM) located in southeastern Manitoba.
The community of Whitemouth is located in the municipality, which also contains the, and small parts of Manitoba's Agassiz Provincial Forest (in its southwest quadrant) and Whiteshell Provincial Forest (in its northeast corner).
In the 2021 Census of Population conducted by Statistics Canada, Whitemouth had a population of 1,630 living in 631 of its 780 total private dwellings, a change of from its 2016 population of 1,557. With a land area of, it had a population density of in 2021.[1]