The Socialist Campaign Group, also simply known as the Campaign Group, is a UK parliamentary caucus of the Labour Party including Members of Parliament in the House of Commons of the United Kingdom. The group also includes some MPs who formerly represented Labour in Parliament but have had the whip withdrawn or been expelled from the party.

Tribune is a democratic socialist political magazine founded in 1937 and published in London, initially as a newspaper, then converting to a magazine in 2001. While it is independent, it has usually supported the Labour Party from the left. Previous editors at the magazine have included Aneurin Bevan, the Minister of Health who spearheaded the establishment of the National Health Service, former Labour leader Michael Foot, and writer George Orwell, who served as Literary Editor.