Look up Newcastle in Wiktionary, the free dictionary.
Newcastle usually refers to:
- Newcastle upon Tyne, a city and metropolitan borough in Tyne and Wear, England, United Kingdom
- Newcastle-under-Lyme, a town in Staffordshire, England, United Kingdom
- Newcastle, New South Wales, a metropolitan area in New South Wales, Australia, named after Newcastle upon Tyne
Newcastle, New Castle or New Cassel may also refer to: