The Rural Municipality of Waverley No. 44 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 3 and Division No. 2. Located in the southwest portion of the province, it is adjacent to the United States border, neighbouring Valley County in Montana.
The RM of Waverley No. 44 incorporated as a rural municipality on February 1, 1913.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Waverley No. 44 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.
In the 2016 Census of Population, the RM of Waverley No. 44 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of , it had a population density of in 2016.
The RM includes the eastern portion (or "East Block") of Grasslands National Park.
The RM of Waverley No. 44 is governed by an elected municipal council and an appointed administrator that meets on the second Tuesday of every month. The reeve of the RM is Lloyd Anderson while its administrator is Deidre Nelson. The RM's office is located in Glentworth.