Clear Lake, a lake southeast of Houston, Texas

Clear Lake, a lake in California

Clear Lake, a lake in Le Sueur County, Minnesota

Clear Lake, a lake in Sumter Township of McLeod County, Minnesota

Clear Lake, a lake in Martin County, Minnesota

Clear Lake, a lake in Westbrook Township of Cottonwood County, Minnesota

Clear Lake, a lake in Jackson County, Minnesota

Clear Lake, a lake in Sibley County, Minnesota

Clear Lake, a lake in Waseca County, Minnesota

Clear Lake, a lake in Brown County, Minnesota

Clear Lake, a lake in Lyon County, Minnesota

Clear Lake (Iowa), a lake in Clear Lake, Iowa

Clear Lake Shores, Texas

Clear Lake Township, Minnesota

Clear Lake City, Houston, Texas, a master-planned community in Houston

Clear Lake, a lake in Minnehaha County, South Dakota

Clear Lake, a lake in Bennett County, South Dakota

Clear Lake, a lake in Marshall County, South Dakota

Clear Lake, Wisconsin, village in Polk County

Clear Lake, Indiana

Clear Lake, South Dakota

Clear Lake, Illinois

Clearlake, California, a city named after Clear Lake

Clear Lake, Washington

Clear Lake, Minnesota

Clear Lake Reservoir in northeast California

Clear Lake (town), Wisconsin, township in Polk County

Clear Lake, Manitoba, the largest lake in Riding Mountain National Park

Clear Lake (region), a region encompassing parts of Harris and Galveston counties in Texas

Clear Lake (Oregon), the name of several lakes in Oregon

Clear Lake, Ontario