73 (2016 population: 319) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

In the 2021 Census of Population conducted by Statistics Canada, the RM of Stonehenge No.

73 is governed by an elected municipal council and an appointed administrator that meets on the second Monday of every month.

[3] The reeve of the RM is Chris Sinclair while its administrator is Tammy Franks.

[3] The RM is a part owner of the Fife Lake Railway.