186 (2016 population: 362) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

The rest of the southern border follows the Qu'Appelle River.

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

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

[3] The reeve of the RM is John Fishley while its administrator is Karissa Lingelbach .