UK Parliamentarians
- Lord Darling of RoulanishLabourMember of the House of LordsPeer since 2015
- Lord DarlingOtherMember of the House of LordsPeer since 1936
- Steve DarlingLiberal DemocratMP for TorbayMP since 2024
- Emily DarlingtonLabourMP for Milton Keynes CentralMP since 2024
- Earl of DarnleyConservativeMember of the House of LordsPeer since 1980
- Lord Darroch of KewCrossbenchMember of the House of LordsPeer since 2019
- Earl of DartmouthConservativeMember of the House of LordsPeer since 1997
- Earl of DartmouthOtherMember of the House of LordsPeer since 1962
- Mr Keith DarvillLabourMP for UpminsterMP since 1997
- Lord DarwenNot knownMember of the House of LordsPeer since 1950
- Lord DarwenNon-affiliatedMember of the House of LordsPeer since 1988
- Lord DaryngtonOtherMember of the House of LordsPeer since 1949
- Lord Darzi of DenhamNon-affiliatedMember of the House of LordsPeer since 2007
- Viscount DaventryConservativeMember of the House of LordsPeer since 1986
- Viscount DaventryConservativeMember of the House of LordsPeer since 1962
- Ed DaveyLiberal DemocratMP for Kingston and SurbitonMP since 2017
- Valerie DaveyLabourMP for Bristol WestMP since 1997
- Baroness DavidLabourMember of the House of LordsPeer since 1978
- Wayne DavidLabourMP for CaerphillyMP since 2001
- Lord Davidson of Glen ClovaLabourMember of the House of LordsPeer since 2006
- Baroness Davidson of Lundin LinksConservativeMember of the House of LordsPeer since 2021
- Arthur DavidsonLabourMP for AccringtonMP since 1966
- James DavidsonLiberalMP for West AberdeenshireMP since 1966
- Mr Ian DavidsonLabourMP for Glasgow South WestMP since 1992
- Viscount DavidsonConservativeMember of the House of LordsPeer since 1970
- Lord Davies of AbersochNon-affiliatedMember of the House of LordsPeer since 2009
- Lord Davies of BrixtonLabourMember of the House of LordsPeer since 2020
- Lord Davies of CoityLabourMember of the House of LordsPeer since 1997
- Baroness Davies of DevonportConservativeMember of the House of LordsPeer since 2026
- Lord Davies of GowerConservativeMember of the House of LordsPeer since 2019
- Lord Davies of OldhamLabourMember of the House of LordsPeer since 1997
- Lord Davies of PenrhysLabourMember of the House of LordsPeer since 1974
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0