UK Parliamentarians
- Mr David LammyLabourMP for TottenhamMP since 2000
- Lord Lamont of LerwickConservativeMember of the House of LordsPeer since 1998
- John LamontConservativeMP for Berwickshire, Roxburgh and SelkirkMP since 2017
- Baroness LampardNon-affiliatedMember of the House of LordsPeer since 2022
- Lord Lancaster of KimboltonConservativeMember of the House of LordsPeer since 2020
- Baroness Lane-Fox of SohoCrossbenchMember of the House of LordsPeer since 2013
- Lord LansleyConservativeMember of the House of LordsPeer since 2015
- Ian LaveryLabourMP for Blyth and AshingtonMP since 2010
- Chris LawScottish National PartyMP for Dundee CentralMP since 2015
- Noah LawLabourMP for St Austell and NewquayMP since 2024
- Baroness LawlorConservativeMember of the House of LordsPeer since 2022
- Baroness Lawrence of ClarendonLabourMember of the House of LordsPeer since 2013
- Lord LayardLabourMember of the House of LordsPeer since 2000
- Kim LeadbeaterLabourMP for Spen ValleyMP since 2021
- Graham LeadbitterScottish National PartyMP for Moray West, Nairn and StrathspeyMP since 2024
- Baroness LeamanLiberal DemocratMember of the House of LordsPeer since 2026
- Lord LebedevCrossbenchMember of the House of LordsPeer since 2020
- Lord Lee of TraffordLiberal DemocratMember of the House of LordsPeer since 2006
- The Lord Bishop of LeicesterBishopsMember of the House of LordsPeer since 2022
- Lord Leigh of HurleyConservativeMember of the House of LordsPeer since 2013
- Sir Edward LeighConservativeMP for GainsboroughMP since 1983
- Brian LeishmanLabourMP for Alloa and GrangemouthMP since 2024
- Lord LemosLabourMember of the House of LordsPeer since 2025
- Lord LennieLabourMember of the House of LordsPeer since 2014
- Lord LeongLabourMember of the House of LordsPeer since 2022
- Baroness LevittLabourMember of the House of LordsPeer since 2025
- Lord LevyLabourMember of the House of LordsPeer since 1997
- Emma LewellLabourMP for South ShieldsMP since 2013
- Andrew LewinLabourMP for Welwyn HatfieldMP since 2024
- Clive LewisLabourMP for Norwich SouthMP since 2015
- Sir Julian LewisConservativeMP for New Forest EastMP since 1997
- Lord LexdenConservativeMember of the House of LordsPeer since 2010
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0