David John Nellist (born 16 July 1952) is a British Trotskyist activist who was the MP for the constituency of Coventry South East from 1983 to 1992. Elected as a Labour MP, his support for the Militant tendency led to his eventual expulsion from the party in late 1991. He is the National Chair of the Trade Unionist and Socialist Coalition (TUSC), a member of the Socialist Party, and was a city councillor in Coventry from 1998 to 2012.