Grass Lake may refer to:

• Grass Lake (Haliburton County), Ontario
• Rural Municipality of Grass Lake No. 381, Saskatchewan

• Grass Lake, Illinois, a community and lake in Lake County
• Grass Lake School District 36, Lake County, Illinois
• Grass Lake, Michigan, a village in Jackson County
• Grass Lake Charter Township, Michigan, in Jackson County
• Grass Lake Community Schools, Jackson County, Michigan
• Grass Lake High School, a high school in Grass Lake, Michigan
• Grass Lake (Kanabec County, Minnesota)
• Grass Lake, Minnesota, a community in Kanabec County
• Grass Lake Township, Kanabec County, Minnesota
• Grass Lake (New York), a lake in Jefferson County
• Grass Lake (Codington County, South Dakota)
• Grass Lake (Minnehaha County, South Dakota)
• Grass Lake Nature Park, a lake and nature preserve in Olympia, Washington

• Grass Lake Township (disambiguation)
• Grassy Creek (disambiguation)
• Grassy Lake (disambiguation)

This disambiguation page lists articles associated with the title Grass Lake.
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