Lancaster

Lancaster may be

 City of Lancaster, a local government district of Lancashire, England
 Lancaster, Lancashire, a settlement in the City of Lancaster district after which it is named
 House of Lancaster, an English dynasty
 Lancaster, California, United States
 Lancaster, Kansas, United States
 Lancaster, Kentucky, United States
 Lancaster, Massachusetts, United States
 Lancaster, Missouri, United States
 Lancaster, Ohio, United States
 Lancaster, Pennsylvania, United States
 Lancaster, Texas, United States
 Lancaster, Wisconsin, United States
 Lancaster Barnstormers, an American baseball team