Cumberland County may refer to:

Australia Cumberland County, New South Wales the former name of Cumberland Land District, Tasmania, Australia

Canada Cumberland County, Nova Scotia

United Kingdom Cumberland, historic county Cumberland (unitary authority), non-metropolitan county and district

United States Cumberland County, Illinois Cumberland County, Kentucky Cumberland County, Maine Cumberland County, New Jersey Cumberland County, New York Cumberland County, North Carolina Cumberland County, Pennsylvania Cumberland County, Tennessee Cumberland County, Republic of Vermont Cumberland County, Virginia

Fictional places Cumberland County, Wyoming, next door county to the setting of the Longmire television series and novels by author Craig Johnson

See also Cumberland (disambiguation) Cumberland County College