德国统一社会党
The Socialist Unity Party of West Berlin (, SEW) was a communist party in West Berlin. The party was founded on 24 November 1962, when the West Berlin local organization of the Socialist Unity Party of Germany (SED) was separated from the main party. Until 1969, the party was known as the Socialist Unity Party of Germany - West Berlin (). Gerhard Danelius was the chairman of the party until 1978.