Lakenheath is a village and civil parish in the West Suffolk district of Suffolk in eastern England. It has a population of 4,691 according to the 2011 Census, and is situated close to the county boundaries of both Norfolk and Cambridgeshire, and at the meeting point of The Fens and the Breckland natural environments. Lakenheath is host to the largest United States Air Force base in the United Kingdom, RAF Lakenheath.