UK Parliamentarians
- Lord DholakiaLiberal DemocratMember of the House of LordsPeer since 1997
- Lord DiamondLabourMember of the House of LordsPeer since 1970
- Geoffrey DickensConservativeMP for Littleborough and SaddleworthMP since 1979
- James DickensLabourMP for Lewisham WestMP since 1966
- Lord DickinsonCrossbenchMember of the House of LordsPeer since 1943
- Terry DicksConservativeMP for Hayes and HarlingtonMP since 1983
- Jim DicksonLabourMP for DartfordMP since 2024
- Lord DigbyConservativeMember of the House of LordsPeer since 1964
- Viscount DilhorneConservativeMember of the House of LordsPeer since 1980
- Mr Lee DillonLiberal DemocratMP for NewburyMP since 2024
- Dame Caroline DinenageConservativeMP for GosportMP since 2010
- Miss Sarah DinesConservativeMP for Derbyshire DalesMP since 2019
- Mr Andrew DismoreLabourMP for HendonMP since 1997
- Lord Dixon of JerichoLiberal DemocratMember of the House of LordsPeer since 2026
- Anna DixonLabourMP for ShipleyMP since 2024
- Lord DixonLabourMember of the House of LordsPeer since 1997
- Piers DixonConservativeMP for TruroMP since 1970
- Samantha DixonLabourMP for Chester North and NestonMP since 2022
- Lord Dixon-SmithConservativeMember of the House of LordsPeer since 1993
- Mr Jonathan DjanoglyConservativeMP for HuntingdonMP since 2001
- Jim DobbinLabourMP for Heywood and MiddletonMP since 1997
- Lord DobbsConservativeMember of the House of LordsPeer since 2010
- Frank DobsonLabourMP for Holborn and St PancrasMP since 1979
- Lord Docherty of MilngavieNon-affiliatedMember of the House of LordsPeer since 2026
- Leo DochertyConservativeMP for AldershotMP since 2017
- Thomas DochertyLabourMP for Dunfermline and West FifeMP since 2010
- Martin Docherty-HughesScottish National PartyMP for West DunbartonshireMP since 2015
- Lord Dodds of DuncairnDemocratic Unionist PartyMember of the House of LordsPeer since 2020
- Anneliese DoddsLabourMP for Oxford EastMP since 2017
- Jane DoddsLiberal DemocratMP for Brecon and RadnorshireMP since 2019
- Geoffrey DodsworthConservativeMP for South West HertfordshireMP since 1974
- Mr Pat DohertySinn FéinMP for West TyroneMP since 2001
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0