Enfield, outer borough (1991 pop. 249,100) of Greater London, SE England. It is residential, with important concentrations of industry. Rifles, electrical products, boilers, chemicals, cables, textiles, and cement are the leading manufactures. The poets John Keats and William Cowper lived within the borough in Edmonton. Southgate is noted for its parks.

Enfield, town (1990 pop. 45,532), Hartford co., N Conn., on the Connecticut River at the Mass. line; settled c.1680. The town has varied manufacturing, including filtration systems, machinery, and computers. Vegetables and tobacco are grown, and there is food and dairy processing. Enfield's long-time carpet industry was formerly the town's principal economic asset. Originally part of Massachusetts, Enfield was annexed to Connecticut in 1749. The town hall was built in 1775.