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This article lists theLeaders of political parties in the United Kingdom to provide insight into thepolitics of the United Kingdom. It contains details including which party the leader belongs to, the leader's seat, and which form of leadership that person holds.

National party leaders are usuallymembers of parliament. Some (including Welsh, Scottish and Northern Irish parties) designate a separate leader in the House of Commons, or their leader is absent from the House of Commons and holds membership of adevolved body.

Keir Starmer Leader of the Labour Party	Kemi Badenoch Leader of the Conservative Party

^a Leads the party in the House of Commons. The leader of the Scottish National Party (SNP),John Swinney has been aMember of the Scottish Parliament (MSP) since 1999.

^b In accordance with the party's policy ofabstentionism, no elected Sinn Féin members of parliament have ever sat in the House of Commons.

^c Leads the party in the House of Commons. The Green Party's leader,Zack Polanski, has sat as a member of theLondon Assembly since 2021.

^d Leads the party in the House of Commons. Plaid Cymru's leader,Rhun ap Iorwerth, has sat as a member of theSenedd (Welsh Parliament) forYnys Môn since 2 August 2013.

^d The leader of the Democratic Unionist Party (DUP),Gavin Robinson has sat in theHouse of Commons as MP forBelfast East since 2015.

^e The leader of the Traditional Unionist Voice (TUV),Jim Allister was previously aNorth Antrim MLA until his election to theHouse of Commons in 2024 as MP forNorth Antrim.

• Leaders of political parties in the United Kingdom
• Lists of leaders of political parties

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