UK Parliamentarians
- Lord DenhamConservativeMember of the House of LordsPeer since 1949
- Mr John DenhamLabourMP for Southampton, ItchenMP since 1992
- Baroness DeningtonLabourMember of the House of LordsPeer since 1978
- Lord DenmanConservativeMember of the House of LordsPeer since 1971
- Lord DenningCrossbenchMember of the House of LordsPeer since 1957
- Emma Dent CoadLabourMP for KensingtonMP since 2017
- Baroness Denton of WakefieldConservativeMember of the House of LordsPeer since 1991
- Carla DenyerGreen PartyMP for Bristol CentralMP since 2024
- Lord DeramoreOtherMember of the House of LordsPeer since 1964
- The Lord Bishop of DerbyBishopsMember of the House of LordsPeer since 2010
- The Lord Bishop of DerbyBishopsMember of the House of LordsPeer since 1999
- The Lord Bishop of DerbyBishopsMember of the House of LordsPeer since 2019
- The Lord Bishop of DerbyBishopsMember of the House of LordsPeer since 1973
- Earl of DerbyCrossbenchMember of the House of LordsPeer since 1994
- Earl of DerbyOtherMember of the House of LordsPeer since 1948
- Lord DerwentConservativeMember of the House of LordsPeer since 1949
- Lord DerwentConservativeMember of the House of LordsPeer since 1986
- Lord DesaiCrossbenchMember of the House of LordsPeer since 1991
- Nirj DevaConservativeMP for Brentford and IsleworthMP since 1992
- Mr Jim DevineLabourMP for LivingstonMP since 2005
- Bernadette DevlinUnityMP for Mid UlsterMP since 1969
- Lord DevlinOtherMember of the House of LordsPeer since 1961
- Mr Tim DevlinConservativeMP for Stockton SouthMP since 1987
- Earl of DevonCrossbenchMember of the House of LordsPeer since 1998
- Earl of DevonOtherMember of the House of LordsPeer since 1935
- The Earl of DevonCrossbenchMember of the House of LordsPeer since 2018
- Viscount DevonportCrossbenchMember of the House of LordsPeer since 1973
- Duke of DevonshireCrossbenchMember of the House of LordsPeer since 1950
- Donald DewarLabourMP for Glasgow AnnieslandMP since 1978
- Charlie DewhirstConservativeMP for Bridlington and The WoldsMP since 2024
- Mr Parmjit DhandaLabourMP for GloucesterMP since 2001
- Mr Tanmanjeet Singh DhesiLabourMP for SloughMP since 2017
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0