Poland
- Warsaw, English name of Warsaw
United States of America
- Warsaw, a town in Duplin County, North Carolina
- Warsaw, a city in Hancock County, Illinois
- Warsaw, the capital of Kosciusko County, Indiana
- Warsaw, county seat of Gallatin County, Kentucky
- Warsaw, a town in Benton County, Missouri
- Warsaw, city in Wyoming County, New York
- Warsaw, Coshocton County village, Ohio
- Warsaw, Jefferson County township, Pennsylvania
- Warsaw, a city in Richmond County, Virginia