Lake may be:
- a lake, see also list of lakes
- lake pigments
- Lake Aircraft
- place names:
- Lake, Idaho
- Lake, Kentucky
- Lake, Louisiana
- Lake, Maryland
- Lake, Michigan
- Lake, Mississippi
- Lake, Missouri
- Lake, Oklahoma
- Lake, Virginia
- Lake, West Virginia
- Lake, Wisconsin
- Lake City, Michigan
- Lake County, California
- Lake County, Colorado
- Lake County, Florida
- Lake County, Illinois
- Lake County, Indiana
- Lake County, Michigan
- Lake County, Minnesota
- Lake County, Montana
- Lake County, Ohio
- Lake County, Oregon
- Lake County, South Dakota
- Lake County, Tennessee
- Lake Township, Michigan
- Lake Township, Minnesota
- Lake Township, Pennsylvania
- various places named Lake Forest
- Lake Park, Florida
- Lake Park, Iowa