Lake County

Lake County may refer to:

New Zealand

 * Lake County, New Zealand

United States

 * 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