Westmoreland County may refer to:
Australia Westmoreland County, New South Wales the former name of Westmoreland Land District, Tasmania
Canada Westmorland County, New Brunswick
United Kingdom The county of Westmorland, archaically spelt Westmoreland
United States Westmoreland County, Pennsylvania Westmoreland County, Virginia Westmoreland County, Connecticut - A former county in Connecticut located in present-day Wyoming Valley
See also
Westmoreland Parish, Jamaica