List of the first openly LGBT holders of political offices in the United Kingdom

The following is a list of the first openly lesbian, gay, bisexual and/or transgender individuals to serve in selected political offices in the United Kingdom.

Party leaderships

 * 2008, First out male Leader of a political party in Scotland
 * Patrick Harvie, Scottish Greens, MSP 2003–present
 * 2011, First out female Leader of a political party in Scotland
 * Ruth Davidson, Scottish Conservatives, MSP 2011–2019
 * 2018, First out male leader of a political party in Wales
 * Adam Price, Plaid Cymru, AM/MS 2016–present
 * 2020, First black, bisexual leader of a political party in the United Kingdom
 * Mandu Reid, Women's Equality Party, since 2020

UK Cabinet

 * 1997, First male Cabinet minister to be out before being appointed
 * Chris Smith, Labour, MP 1983–2005
 * 2016, First male Cabinet minister to come out in office
 * David Mundell, Conservative, MP 2005–present
 * 2016, First female Cabinet minister to come out in office
 * Justine Greening, Conservative, MP 2005–2019

House of Commons

 * 1597, First known LGBTQ+ Member of Parliament
 * Anthony Bacon, Independent, elected as MP for Wallingford in 1593
 * 1976, First outed (female) MP
 * Maureen Colquhoun, Labour, MP 1974–1979
 * 1984, First MP to come out in office
 * Chris Smith, Labour, MP 1983–2005
 * May 1997, First MPs to be out before being elected
 * Stephen Twigg, Labour, MP 1997–2005, 2010–2019
 * Ben Bradshaw, Labour, MP 1997–2024
 * Sep 1997, First female MP to come out in office
 * Angela Eagle, Labour, MP 1992–Present
 * June 2001, First out Plaid Cymru MP
 * Adam Price, Plaid Cymru, MP 2001–2010
 * 2002, First Conservative MP to come out
 * Alan Duncan, Conservative, MP 1992–2019
 * Jan 2005, First MP to come out as HIV positive
 * Chris Smith, Labour, MP 1983–2005
 * May 2005, First out Liberal Democrat MP
 * Stephen Williams, Liberal Democrats, MP 2005–2015
 * May 2005, First Conservative MP to be out before being elected
 * Nick Herbert, Conservative, MP 2005–2019
 * Jan 2006, First MP to be outed as bisexual
 * Simon Hughes, Liberal Democrat, MP 1983–2015
 * May 2006, First MP to enter into a civil partnership
 * David Borrow, Labour, MP 1997–2010
 * 2008, First female MP to enter into a civil partnership
 * Angela Eagle, Labour, MP 1992–present
 * 2010, First female MP to be out before being elected, and first out Conservative female MP
 * Margot James, Conservative, MP 2010–2019
 * December 2010, First out Deputy Speaker
 * Nigel Evans, First Chairman of Ways and Means 2010–2013, Second Chairman of Ways and Means 2020–2024
 * 2013, First MP to voluntarily come out as bisexual
 * Daniel Kawczynski, Conservative, MP 2005–2024
 * 2015, First MP to be out as bisexual before being elected; First female MP to be out as bisexual
 * Cat Smith, Labour, MP 2015–present
 * 2020, First MP to come out as pansexual
 * Layla Moran, Liberal Democrat, MP 2017–present
 * 2021, First female Conservative MP to be openly bisexual
 * Dehenna Davison, Conservative, MP 2019–2024
 * 2022, First MP to come out as transgender
 * Jamie Wallis, Conservative, MP 2019–2024
 * 2024, First bisexual party leader in Westminster
 * Carla Denyer, Greens, MP 2024-present

House of Lords

 * First out Peer
 * Lord Alli, Labour, 1998–present
 * First out female Peer
 * Deborah Stedman-Scott, Baroness Stedman-Scott, Conservative, 2010–present

European Parliament

 * Jan 1999, First out UK MEP
 * Tom Spencer, Conservative, MEP 1979–1984, 1989–1999
 * Jun 1999, First UK MEP to be out before office
 * Michael Cashman, Labour, MEP 1999–2014
 * 2013, First openly transgender UK MEP
 * Nikki Sinclaire, UK Independence Party (later Independent), MEP 2009–2014
 * 2019, First gay and black UK MEP
 * Louis Stedman-Bryce, Brexit Party (later Independent), MEP 2019–2020

Scottish Parliament

 * First out MSP
 * Iain Smith, Scottish Liberal Democrats, MSP 1999–2011
 * 2003, First out Female MSP
 * Margaret Smith, Scottish Liberal Democrats, 1999–2011
 * 2003, First out Scottish Green MSP
 * Patrick Harvie, Scottish Green Party, MSP 2003–present
 * 2007, First out SNP MSP
 * Joe FitzPatrick, Scottish National Party, MSP 2007–present
 * 2011, First out Scottish Conservative MSP
 * Ruth Davidson, Scottish Conservative Party, MSP 2011–present
 * 2016, First out Scottish Labour MSP
 * Kezia Dugdale, Scottish Labour Party, MSP 2011–present

Scottish Government

 * 1999, First out minister
 * Iain Smith, Scottish Liberal Democrats, Deputy Minister for Parliament
 * 2016, First out Cabinet minister
 * Derek Mackay, Scottish National Party, Cabinet Secretary for Finance and the Constitution
 * 2016, First out female minister
 * Jeane Freeman, Scottish National Party, Minister for Social Security

Senedd

 * First out AM,
 * Ron Davies, Labour, 1999–2003
 * First out cabinet secretary to be appointed
 * Jeremy Miles, Labour, 2017–present
 * First out minister to be appointed
 * Hannah Blythyn, Labour, 2017–present

Northern Ireland Assembly

 * First out MLA
 * John Blair, Alliance, 2018–present

Police and crime commissioner

 * First out PCC
 * Olly Martins, Labour, 2012–2016

Directly elected mayors

 * First out directly elected executive mayor
 * Mike Wolfe, Mayor4Stoke, 2002–2005
 * First out directly elected metropolitan mayor
 * Paul Dennett, Labour, 2016–present
 * First out directly elected London borough mayor
 * Philip Glanville, Labour, 2016–2023

England

 * Bolton
 * Horwich Town Council: First open lesbian as mayor (2013–2014) civil partner mayoress: Christine A. Root


 * Brighton & Hove City Council
 * First out committee chair and group leader Paul Elgood (1999–2012)


 * Bristol
 * First out Trans councillor and first to transition while holding elected public office: Rosalind Mitchell (1997)
 * Cambridge, Cambridgeshire
 * First trans mayor: Jenny Bailey (2007–2008)
 * First trans mayor: Jenny Bailey (2007–2008)


 * Camden
 * First openly gay Mayor and Mayoress (2010–2011): Jonathan Simpson and Amy Lamé


 * Croydon
 * First openly gay Mayor, Wayne Trakas-Lawlor with his husband as Consort(2016-2017):


 * Durham
 * First openly gay councillor in the UK and first known openly gay candidate for UK elected office: Sam Green (1972)


 * Essex – Epping Forest District Council
 * Gavin Chambers (2012–present), mayor of the parish council (2012–2013)
 * Hackney
 * First openly gay directly elected mayor: Philip Glanville (2016–present)
 * Islington
 * Mayor: Robert Crossman (1986)
 * Islington
 * Mayor: Robert Crossman (1986)


 * Kingston upon Hull
 * Lord Mayor: Colin Inglis (elected 2011) Council Leader 2003–2005, Police Authority Chair 2000–2005


 * Liverpool
 * First openly gay Lord Mayor: Gary Millar (2013–2014)


 * Manchester
 * First openly gay Lord Mayor: Carl Austin-Behan (2016–2017)


 * Salford
 * First openly gay Mayor: Paul Dennett


 * Sheffield
 * First openly gay Leader of the Council: Paul Scriven (2008–2011)


 * Trafford
 * First openly gay leader of the council: Sean Anstee (2014–2018)
 * Haslemere, Surrey
 * First openly gay deputy mayor: Sahran Abeysundara (elected 2015)
 * First openly gay mayor: Sahran Abeysundara (elected 2016)

London

 * Greater London Authority
 * First members of the London Assembly: Brian Coleman, Andrew Boff and Richard Barnes – Conservative and Darren Johnson – Green Party (elected 2000)
 * First openly gay deputy mayor: Richard Barnes (appointed 2008)


 * Southwark
 * First openly gay mayor: Jeff Hook:
 * Camden
 * First openly gay mayor: Jonathan Simpson (elected 2010)
 * Richmond
 * Mayor: Marc Cranfield-Adams (2007)
 * Richmond
 * Mayor: Marc Cranfield-Adams (2007)
 * Mayor: Marc Cranfield-Adams (2007)

Wales

 * Aberystwyth, Ceredigion
 * First openly lesbian mayor, with her partner as mayoress: Jaci Taylor (2000–2001), Plaid Cymru.

Rhondda Cynon Taf
 * First openly gay cabinet member Layton Percy Jones (Plaid Cymru). Cabinet Member for Social Services 1999–2005


 * Milford Haven, Pembrokeshire
 * First openly gay mayor, first mayor in a civil partnership: Guy Woodham (2012–2013)
 * First openly gay mayor and deputy mayor: William Elliott (mayor) and Colin Sharp (deputy mayor)


 * Abertillery, Blaenau Gwent
 * First openly bisexual chairman of council, Julian Meek (2012–2013), Plaid Cymru.


 * Bangor, Gwynedd
 * The world's first non-binary Mayor and Wales' youngest ever Mayor, Owen Hurcum (2021–2022), Independent