The Rural Municipality of Antelope Park No. 322 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 13 and Division No. 6. It is located along the border with Alberta.
The RM of Antelope Park No. 322 incorporated as a rural municipality on December 11, 1911. It was named for the ubiquitous pronghorn antelope.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Antelope Park No. 322 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 Antelope Park No. 322 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 of Antelope Park No. 322 is governed by an elected municipal council and an appointed administrator that meets on the third Tuesday of every month. The reeve of the RM is Gordon Dommett while its administrator is Robin Busby. The RM's office is located in Marengo.