a city and county borough in Great Britain, situated on the Don River. Capital of the metropolitan county of South Yorkshire. Population, 558,000 (1976). Sheffield, a major center of heavy industry, is the country’s largest producer of quality steel. The city produces machinery, including machine tools and electrical-engineering and hydraulic equipment. It has long been known for its metalwork, hardware, cutlery, and jewelry. Arms are also produced. Other important branches of industry are food-processing and light industry.
Museums in Sheffield include the Sheffield Municipal Museum (founded 1875), which houses a collection of metalware, and the Mappin and Graves art galleries. The city has a university.