The Rural Municipality of Shamrock No. 134 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 7 and Division No. 2. Located in the south-central portion of the province, it is south of Highway 1 (the Trans-Canada Highway).
The RM of Shamrock No. 134 incorporated as a rural municipality on December 9, 1912.
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Shamrock No. 134 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 Shamrock No. 134 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 Shamrock No. 134 is governed by an elected municipal council and an appointed administrator that meets on the second Thursday of every month. The reeve of the RM is Wayne Rud while its administrator is Jody Kennedy. The RM's office is located in Shamrock.