The Rural Municipality of Sasman No. 336 (2016 population: 765) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 10 and SARM Division No. 4.

The RM of Sasman No. 336 incorporated as a rural municipality on January 1, 1913.^[2] The RM's name is a portmanteau of Saskatchewan and Manitoba.^[5]

In the 2021 Census of Population conducted by Statistics Canada, the RM of Sasman No. 336 had a population of 813 living in 362 of its 607 total private dwellings, a change of 6.3% from its 2016 population of 765. With a land area of 984.26 km² (380.02 sq mi), it had a population density of 0.8/km² (2.1/sq mi) in 2021.^[9]

In the 2016 Census of Population, the RM of Sasman No. 336 recorded a population of 765 living in 328 of its 568 total private dwellings, a -6.5% change from its 2011 population of 818. With a land area of 1,006.49 km² (388.61 sq mi), it had a population density of 0.8/km² (2.0/sq mi) in 2016.^[4]

• Margo Recreation Site (51.8532°N 103.3975°W / 51.8532; -103.3975) — a rest area within a protected wildlife area around Sakwasew Lake. Access is from Highway 5.^[10][11][12]
• Leslie Beach Regional Park — a park on Fishing Lake.

The RM of Sasman No. 336 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 Dwayne Nakrayko while its administrator is Michael Rattray.^[3] The RM's office is located in Kuroki.^[3]

• Saskatchewan Highway 5
• Saskatchewan Highway 38
• Saskatchewan Highway 49
• Saskatchewan Highway 665
• Saskatchewan Highway 755
• Kelvington Airport

• List of rural municipalities in Saskatchewan
• List of geographic names derived from portmanteaus