| Official Name: | Crystal Lake |
| Settlement Type: | Organized hamlet |
| Pushpin Map: | Saskatchewan#Canada |
| Pushpin Map Caption: | Location of Crystal Lake in Saskatchewan |
| Coordinates: | 51.852°N -102.424°W |
| Pushpin Label Position: | none |
| Pushpin Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Saskatchewan |
| Subdivision Type2: | Region |
| Subdivision Type3: | Census division |
| Subdivision Type4: | Rural municipality (RM) |
| Leader Title: | Mayor |
| Leader Title1: | Administrator |
| Leader Title2: | Governing body |
| Leader Name2: | RM of Keys No. 303 |
| Area Footnotes: | (2016)[1] |
| Area Total Km2: | 0.74 |
| Population As Of: | 2016 |
| Population Total: | 61 |
| Population Density Km2: | auto |
| Timezone: | CST |
| Postal Code Type: | Postal code |
| Area Code: | 306 |
| Blank Name: | Highways |
| Blank Info: | Highway 9 |
| Blank1 Name: | Waterways |
| Blank1 Info: | Crystal Lake |
Crystal Lake (2016 population:) is an organized hamlet within the Rural Municipality (RM) of Keys No. 303 in the Canadian province of Saskatchewan.[2] It is also recognized as part of a designated place by Statistics Canada.[1] The organized hamlet (Crystal Lake part A) is on the majority of the shores of Crystal Lake,[3] 1km (01miles) west of Highway 9 and approximately 70km (40miles) north of the City of Yorkton. The second part of the designated place (Crystal Lake part B) is on the balance of the shores of Crystal Lake within the adjacent RM of Buchanan No. 304.[4]
In the 2021 Census of Population conducted by Statistics Canada, Crystal Lake part A had a population of 115 living in 54 of its 142 total private dwellings, a change of from its 2016 population of 61. With a land area of, it had a population density of in 2021.[5]
Also in the 2021 Census of Population, Crystal Lake part B had a population of 56 living in 24 of its 82 total private dwellings, a change of from its 2016 population of 31. With a land area of, it had a population density of in 2021.[5]