UK Parliamentarians
- Helena DollimoreLabourMP for Hastings and RyeMP since 2024
- Baroness DonaghyLabourMember of the House of LordsPeer since 2010
- Lord Donaldson of KingsbridgeLiberal DemocratMember of the House of LordsPeer since 1967
- Lord Donaldson of LymingtonCrossbenchMember of the House of LordsPeer since 1988
- Sir Jeffrey M DonaldsonIndependentMP for Lagan ValleyMP since 1997
- Stuart Blair DonaldsonScottish National PartyMP for West Aberdeenshire and KincardineMP since 2015
- Marquess of DonegallConservativeMember of the House of LordsPeer since 1953
- Michelle DonelanConservativeMP for ChippenhamMP since 2015
- Mr Brian H. DonohoeLabourMP for Central AyrshireMP since 1992
- Earl of DonoughmoreConservativeMember of the House of LordsPeer since 1981
- Lord DonoughueLabourMember of the House of LordsPeer since 1985
- Baroness DooceyLiberal DemocratMember of the House of LordsPeer since 2010
- Dave DooganScottish National PartyMP for Angus and Perthshire GlensMP since 2019
- Mr Frank DoranLabourMP for Aberdeen NorthMP since 1997
- Allan DoransScottish National PartyMP for Ayr, Carrick and CumnockMP since 2019
- Lord Dormand of EasingtonLabourMember of the House of LordsPeer since 1987
- Jack DormandLabourMP for EasingtonMP since 1970
- Lord DormerConservativeMember of the House of LordsPeer since 1975
- Lord DormerNon-affiliatedMember of the House of LordsPeer since 1995
- Mr Stephen DorrellConservativeMP for CharnwoodMP since 1979
- Ms Nadine DorriesConservativeMP for Mid BedfordshireMP since 2005
- Steve DoubleConservativeMP for St Austell and NewquayMP since 2015
- Stephen DoughtyLabourMP for Cardiff South and PenarthMP since 2012
- Sue DoughtyLiberal DemocratMP for GuildfordMP since 2001
- Dick DouglasScottish National PartyMP for Dunfermline WestMP since 1979
- Bruce Douglas-MannSocial Democratic PartyMP for Merton, Mitcham and MordenMP since 1970
- Lord Douglas-MillerConservativeMember of the House of LordsPeer since 2023
- Den DoverConservativeMP for ChorleyMP since 1979
- Jim DowdLabourMP for Lewisham West and PengeMP since 1992
- Peter DowdLabourMP for BootleMP since 2015
- Sir Oliver DowdenConservativeMP for HertsmereMP since 2015
- Lord DowdingCrossbenchMember of the House of LordsPeer since 1992
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0