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There are a number of political parties registered to the Electoral Commission in Wales. Some of these parties have elected representation in the Senedd (Welsh Parliament; Welsh: Senedd Cymru) and/or in Westminster (UK Parliament) and some have elected representation in one or more of the 22 Welsh local authorities, while others have entirely no elected representation. This Wikipedia page lists all of the above and some relevant Welsh political parties that formerly existed but have since disbanded. The largest political parties typically reside^{[clarification needed]} in either the House of Commons or the Senedd, the current largest party in Wales is Welsh Labour, followed closely by the Welsh Conservatives and Plaid Cymru.

House of Commons/Senedd

House of Commons

The Parliament of the United Kingdom is a legislative body in the United Kingdom and creates primary legislation.^[1] There are two chambers within the Parliament of the United Kingdom: the House of Commons (the elected chamber) and the House of Lords. This article focuses on the House of Commons. Three parties have elected representatives in that house (MPs): Welsh Labour, Welsh Conservatives and Plaid Cymru. The constituencies are due to change for the 2024 general election.^[2]

Senedd

The Senedd was formed under the Government of Wales Act 1998, by the Labour government, following a referendum in 1997. It was given greater powers under the 2011 Welsh devolution referendum. In 2021, four parties have elected representatives in the Senedd: Welsh Labour, Welsh Conservatives, Plaid Cymru and Welsh Liberal Democrats.

House of Commons/Senedd parties

Party		Translation	Leader		Political position	Ideology	MSs	MPs	Local government	Membership[a]
	Welsh Labour[b]	Welsh: Llafur Cymru		Mark Drakeford	Centre-left	Social democracy Democratic socialism British unionism	30 / 60	22 / 40	524 / 1,254	22,000[3]
	Welsh Conservatives	Welsh: Ceidwadwyr Cymreig		Andrew RT Davies	Centre-right	Conservatism Economic liberalism British unionism	16 / 60	14 / 40	111 / 1,254	Unknown
	Plaid Cymru	English: Party of Wales		Rhun ap Iorwerth	Centre-left to left-wing	Welsh nationalism Welsh independence Democratic socialism Social democracy Environmentalism Regionalism Civic nationalism	13 / 60	4 / 40	202 / 1,254	10,100[4]
	Welsh Liberal Democrats	Welsh: Democratiaid Rhyddfrydol Cymru		Jane Dodds	Centre to centre-left	Liberalism Social liberalism British unionism Pro-Europeanism	1 / 60	0 / 40	69 / 1,254	3,133[5]

Local government

Several parties in Wales have no national representation, but have elected representation at the local government level.

County councils

Community and town councils

Council control

Parties with no elected representation

Notable registered parties

Defunct parties

• South Wales Socialist Society (1911–1920) - amalgamated with the Communist Party of Great Britain in the 1920s.
• Communist Party of South Wales and the West of England (1920) - set up by those who opposed amalgamation with the Communist Party of Great Britain
• Welsh Republican Movement (1949–1966) - most members either returned to Plaid Cymru or joined the Labour Party
• Welsh Socialist Republican Movement (1979–1986) - succeeded as a political party in 1986 by Cymru Goch, however it still exists as a publication
• Cymru Goch (1986–2003) - evolved into Forward Wales.
• Democratic Alliance of Wales (1999–2008)
• John Marek Independent Party (2003) - short lived party which became Forward Wales.
• Forward Wales (2003–2010)
• Blaenau Gwent People's Voice Group (2005–2010) - party set-up in Blaenau Gwent. Its leader, Dai Davies, retired from politics and the party disbanded.
• Putting Llanelli First (2011–2016)^[20] - Siân Caiach (now a councillor for Gwlad) ran for the party in the Welsh Assembly seat of Llanelli in 2011 and 2016.
• Respect - The Unity Coalition (2004–2016) - a party established by Salma Yaqoob and George Monbiot and built out of the Stop the War Coalition, its most notable candidate was George Galloway
• Welsh Socialist Alliance (1999–2016) an alliance between the Socialist Party and Cymru Goch and some independents, which fell apart when the Socialist Party left the grouping