457 (2016 population: 586) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

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

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

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

[3] The reeve of the RM is Arthur Lalonde while its administrator is Jaime Orr.