List of Socialist Party of Great Britain members explained

This is a list of notable current and former members of the Socialist Party of Great Britain. Where available, their term of membership is indicated.

• A. S. Albery (1904)
• E. J. B. Allen (1904–1906)
• Alexander Anderson (1904–1926)
• Moses Baritz
  • Robert Barltrop Dan Billany (1931–1933)
• John Bird (1950s)
• Adam Buick (1962–)
• F. K. Cadman (1904–after 1931)
• Jim D'Arcy (1943-1991)
• Jack Fitzgerald (1904–1929)
• R. M. Fox
• Alec Gray (1904–after 1911)
• Edgar Hardcastle (1922–1991)
• Horace Hawkins (1904–1905)
• George Hicks (1904, 1908–1910)
• Thomas A. Jackson (1904–1909)
• Albert E. Jacomb (1904–1942)
• Jack Kent (1904–1908)
• Con Lehane (1904–1906)
• Joan Lestor
• Henry Martin (1904–1905, 1908–1911)
• Cyril May (1940-1991)
• Valentine McEntee (1904–1905)
• Hans Neumann (1904–1911)
• John Rowan
• David Ramsay Steele (1960s)
• George Walford
• Laurie Weidberg
• Harry Young (1940 - 1991)