394 (2016 population: 1,114) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

At 12,462 km2 (4,812 sq mi) in area, it is the largest rural municipality in Saskatchewan.

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

394 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 Neal Hardy while its administrator is Tracy Smith.