UK Parliamentarians
- Baroness Davies of DevonportConservativeMember of the House of LordsPeer since 2026
- Lord Davies of GowerConservativeMember of the House of LordsPeer since 2019
- Ann DaviesPlaid CymruMP for CaerfyrddinMP since 2024
- Gareth DaviesConservativeMP for Grantham and BourneMP since 2019
- Jonathan DaviesLabourMP for Mid DerbyshireMP since 2024
- Mims DaviesConservativeMP for East Grinstead and UckfieldMP since 2015
- Paul DaviesLabourMP for Colne ValleyMP since 2024
- Shaun DaviesLabourMP for TelfordMP since 2024
- Alex Davies-JonesLabourMP for PontypriddMP since 2019
- David DavisConservativeMP for Goole and PocklingtonMP since 2008
- Marsha De CordovaLabourMP for BatterseaMP since 2017
- Bobby DeanLiberal DemocratMP for Carshalton and WallingtonMP since 2024
- Josh DeanLabourMP for Hertford and StortfordMP since 2024
- Lord DearCrossbenchMember of the House of LordsPeer since 2006
- Kate DeardenLabourMP for HalifaxMP since 2024
- Baroness DebbonaireLabourMember of the House of LordsPeer since 2025
- Lord DebenConservativeMember of the House of LordsPeer since 2010
- Baroness DeechCrossbenchMember of the House of LordsPeer since 2005
- Lord DeightonConservativeMember of the House of LordsPeer since 2012
- Carla DenyerGreen PartyMP for Bristol CentralMP since 2024
- The Lord Bishop of DerbyBishopsMember of the House of LordsPeer since 2019
- Charlie DewhirstConservativeMP for Bridlington and The WoldsMP since 2024
- Mr Tanmanjeet Singh DhesiLabourMP for SloughMP since 2017
- Lord DholakiaLiberal DemocratMember of the House of LordsPeer since 1997
- Jim DicksonLabourMP for DartfordMP since 2024
- Mr Lee DillonLiberal DemocratMP for NewburyMP since 2024
- Dame Caroline DinenageConservativeMP for GosportMP since 2010
- Lord Dixon of JerichoLiberal DemocratMember of the House of LordsPeer since 2026
- Anna DixonLabourMP for ShipleyMP since 2024
- Samantha DixonLabourMP for Chester North and NestonMP since 2022
- Lord DobbsConservativeMember of the House of LordsPeer since 2010
- Lord Docherty of MilngavieNon-affiliatedMember of the House of LordsPeer since 2026
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0