Round Lake
- List of lakes in Teton County, Montana
- List of lakes of Dallas County, Arkansas
- Round Lake (Alger and Delta Counties, Michigan)
- Round Lake (Berrien County, Michigan)
- Round Lake (Bonner County, Idaho)
- Round Lake (Clark County, South Dakota)
- Round Lake (Clark County, Washington)
- Round Lake (Deuel County, South Dakota)
- Round Lake (Eden Prairie)
- Round Lake (Emmet County, Michigan)
- Round Lake (Florida lake)
- Round Lake (Lake County, South Dakota)
- Round Lake (Michigan)
- Round Lake (Minnesota)
- Round Lake (Oneida County, New York)
- Round Lake (Ontario)
- Round Lake (Saratoga County, New York)
- Round Lake (Saskatchewan)
- Round Lake (Snohomish County, Washington)
- Round Lake (St. Lawrence County, New York)
- Round Lake (Vancouver Island)
- Round Lake (Wisconsin)
- Round Lake (gymnastics)
- Round Lake National Natural Landmark
- Round Lake station
- Round Lake, Florida
- Round Lake, Illinois
- Round Lake, Minnesota
- Round Lake, New York
- Round Lake, Wexford County, Michigan
- Round Lake, Wisconsin