Queens County or Queen's County may refer to:
Canada
- Queens County, New Brunswick
- Queens County, Nova Scotia
- Queens County, Prince Edward Island
- Former Queen's County (electoral district)
Ireland
- Queen's County, former name of County Laois
United States
- Queens County, New York, coterminous with the New York borough of Queens
See also
- Queens (disambiguation) for other things named "Queens" or "Queen's"