102 (2021 population: 140) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

Located in the southwest portion of the province, it is north of the town of Assiniboia and south of the city of Moose Jaw.

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

[8] Two nearby conservation areas include the Old Wives Lake Bird Sanctuary and the Isle of Bays Wildlife Refuge.

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