Lake County

• Bear Lake County, Idaho
• Green Lake County, Wisconsin
• Lake (disambiguation)
• 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, New Zealand
• Lake County, Ohio
• Lake County, Oregon
• Lake County, South Dakota
• Lake County, Tennessee
• Lake Township (disambiguation)
• Lake and Peninsula Borough, Alaska
• Lake of the Woods County, Minnesota
• Oceana County, Michigan
• Red Lake County, Minnesota
• Salt Lake County, Utah