UK Parliamentarians
- Baroness BoycottCrossbenchMember of the House of LordsPeer since 2018
- Lord Boyd of DuncansbyCrossbenchMember of the House of LordsPeer since 2006
- Viscount Boyd of MertonOtherMember of the House of LordsPeer since 1983
- Lord Boyd-CarpenterConservativeMember of the House of LordsPeer since 1972
- Roland BoyesLabourMP for Houghton and WashingtonMP since 1983
- Viscount BoyneCrossbenchMember of the House of LordsPeer since 1995
- Sir Rhodes BoysonConservativeMP for Brent NorthMP since 1974
- Lord Brabazon of TaraConservativeMember of the House of LordsPeer since 1976
- Tracy BrabinLabourMP for Batley and SpenMP since 2016
- Lord BrabourneCrossbenchMember of the House of LordsPeer since 1943
- Sureena BrackenridgeLabourMP for Wolverhampton North EastMP since 2024
- Lord BradburyOtherMember of the House of LordsPeer since 1950
- Lord BradburyConservativeMember of the House of LordsPeer since 1994
- The Lord Bishop of BradfordBishopsMember of the House of LordsPeer since 2009
- The Lord Bishop of BradfordBishopsMember of the House of LordsPeer since 1997
- Earl of BradfordCrossbenchMember of the House of LordsPeer since 1981
- Rev Robert BradfordUlster Unionist PartyMP for Belfast SouthMP since 1974
- Ben BradleyConservativeMP for MansfieldMP since 2017
- Dame Karen BradleyConservativeMP for Staffordshire MoorlandsMP since 2010
- Lord BradleyLabourMember of the House of LordsPeer since 2006
- Peter BradleyLabourMP for The WrekinMP since 1997
- Tom BradleySocial Democratic PartyMP for Leicester EastMP since 1962
- Lord BradshawLiberal DemocratMember of the House of LordsPeer since 1999
- Mr Ben BradshawLabourMP for ExeterMP since 1997
- Lord Brady of AltrinchamConservativeMember of the House of LordsPeer since 2024
- Baroness BradyConservativeMember of the House of LordsPeer since 2014
- Mickey BradySinn FéinMP for Newry and ArmaghMP since 2015
- Lord BraggLabourMember of the House of LordsPeer since 1998
- Lord BrainCrossbenchMember of the House of LordsPeer since 1966
- Lord Braine of WheatleyConservativeMember of the House of LordsPeer since 1992
- Sir Bernard BraineConservativeMP for Castle PointMP since 1950
- Tom BrakeLiberal DemocratMP for Carshalton and WallingtonMP since 1997
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0