List of political parties in the United Kingdom

Parties in the British parliament

• Conservative Party
• Green Party of England and Wales
• Labour Party
• Liberal Democrats
• United Kingdom Independence Party

Parties in the Scottish parliament

The Scottish National Party is also represented in the British parliament

• Scottish Conservative and Unionist Party
• Scottish Green Party
• Scottish Labour Party
• Scottish Liberal Democrats
• Scottish National Party

Parties in the National Assembly for Wales

Plaid Cymru is also represented in the British parliament

• Plaid Cymru

Parties in the Northern Ireland Assembly

Some of these parties are also represented in the British parliament

• Alliance Party of Northern Ireland
• Democratic Unionist Party
• Sinn Féin
• Social Democratic and Labour Party

Other parties

• Socialist Workers Party (UK)
• National Liberal party
• British National Party