Category:Defunct socialist parties in the United Kingdom

• Defunct communist parties in the United Kingdom‎ (4 C, 25 P)

C

• Common Wealth Party‎ (1 C, 24 P)

D

• Defunct social democratic parties in the United Kingdom‎ (3 C, 8 P)

I

• Independent Labour Party‎ (2 C, 31 P)

R

• Respect Party‎ (1 C, 4 P)

S

• Social Democratic Federation‎ (2 C, 8 P)
• Socialist Labour Party (UK, 1903)‎ (1 C, 3 P, 1 F)
• Socialist League (UK, 1885)‎ (1 C, 3 P)

B

• Big Flame (political group)

D

• Democratic Labour Party (UK, 1998)

F

• Fellowship Party

I

• Independent Labour Network
• Independent Socialist Party (UK)
• International Socialist Network

L

• Labour Emancipation League
• Labour Union (UK)
• Left List
• London Socialist Alliance

M

• Manhood Suffrage League

R

• Red Front (UK)
• Red Star (UK)
• Republican Labour Party
• Respect Renewal
• Revolutionary Democratic Group

S

• Scottish Labour Party (1888)
• Scottish Labour Party (1976)
• Socialist Green Unity Coalition
• Socialist League (UK, 1932)
• Socialist People's Party (Furness)
• Socialist Propaganda League
• Socialist Union (UK)
• Socialist Unity Network
• Solidarity (UK)

U

• United Socialist Party (UK)

W

• West African National Secretariat