191 (2016 population: 297) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

191 incorporated as a rural municipality on December 11, 1911.

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

191 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 Kenneth Waldenberger while its administrator is Samantha Millard.