Dit is een lijst van historische en moderne politieke partijen in het Verenigd Koninkrijk, oftewel Groot-Brittannië en Noord-Ierland.
Groot-Brittannië algemeen Britain First British National Party British Union of Fascists Conservative Party For Britain Independent Labour Party Labour Party Liberal Democrats National Labour Reform UK Socialist Party of Great Britain Socialist Workers' Party Tory UK Independence Party Union Movement Unionisten Whig Party Women's Equality Party Workers Party of Britain
Engeland English Democrats Green Party of England and Wales Mebyon Kernow
Noord-Ierland Ulster Unionist Party Democratic Unionist Party Progressive Unionist Party Protestant Unionist Party United Kingdom Unionist Party
Schotland National Party of Scotland Scottish Conservatives Scottish Green Party Scottish National Party Scottish Party Scottish Socialist Party Scottish Unionist Party
Wales Green Party of England and Wales Plaid Cymru
Verenigd Koninkrijk Politieke