Cliff Slaughter (October 1928 – 3 May 2021) was a British socialist activist, sociologist and author. His best-known works are Coal is Our Life (written with Norman Dennis and Fernando Henriques) and Marxism, Ideology and Literature. In 2006, Slaughter published the book Not Without a Storm: Towards a Communist Manifesto for the Age of Globalisation, followed by the book Bonfire of the Certainties: The Second Human Revolution in 2013.