The Rural Municipality of Meadow Lake No. 588 (2016 population: 2,501) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 17 and SARM Division No. 6.

The RM of Meadow Lake No. 588 incorporated as a rural municipality on February 1, 1976.^[2]

In the 2021 Census of Population conducted by Statistics Canada, the RM of Meadow Lake No. 588 had a population of 2,553 living in 988 of its 1,215 total private dwellings, a change of 3.1% from its 2016 population of 2,476. With a land area of 6,231.27 km² (2,405.91 sq mi), it had a population density of 0.4/km² (1.1/sq mi) in 2021.^[8]

In the 2016 Census of Population, the RM of Meadow Lake No. 588 recorded a population of 2,501 living in 945 of its 1,239 total private dwellings, a -6.2% change from its 2011 population of 2,667. With a land area of 6,306.17 km² (2,434.83 sq mi), it had a population density of 0.4/km² (1.0/sq mi) in 2016.^[4]

The RM of Meadow Lake No. 588 is governed by an elected municipal council and an appointed administrator that meets on the second Monday of every month.^[3] The reeve of the RM is Timothy McKay while its administrator is Gina Bernier.^[3] The RM's office is located in Meadow Lake.^[3]

• Meadow Lake Provincial Park – the largest provincial park in Saskatchewan encompassing over 1,600 km² (620 sq mi)^[9]
• Saint Cyr Hills Trails Recreation Site (54.2044°N 108.1698°W / 54.2044; -108.1698)^[10] – a year-round provincial recreation site centred around Ski Lodge Lake.^[11] The park, which is maintained by St. Cyr Trails Club, has hiking, biking, snowshoeing, and cross country ski trails. Access is from Island Hill Rd, which is off Highway 55.^[12]
• Beaver River Recreation Site – a small park along Highway 4 with access to Beaver River
• Island Lake Recreation Site – a campground at Island Lake^[13]
• Nesset Lake Recreation Site – protected land at Nesset Lake