UK Parliamentarians
- Lord BrightmanCrossbenchMember of the House of LordsPeer since 1982
- Lord BriginshawLabourMember of the House of LordsPeer since 1975
- Baroness BrigstockeConservativeMember of the House of LordsPeer since 1990
- Lord BrimelowLabourMember of the House of LordsPeer since 1976
- Steve BrineConservativeMP for WinchesterMP since 2010
- Baroness BrintonLiberal DemocratMember of the House of LordsPeer since 2011
- Tim BrintonConservativeMP for GraveshamMP since 1979
- The Lord Bishop of BristolBishopsMember of the House of LordsPeer since 1990
- The Lord Bishop of BristolBishopsMember of the House of LordsPeer since 2018
- The Lord Bishop of BristolBishopsMember of the House of LordsPeer since 2009
- The Marquess of BristolOtherMember of the House of LordsPeer since 1985
- The Marquess of BristolNon-affiliatedMember of the House of LordsPeer since 1999
- Paul BristowConservativeMP for PeterboroughMP since 2019
- Sara BritcliffeConservativeMP for HyndburnMP since 2019
- Lord Brittan of SpennithorneConservativeMember of the House of LordsPeer since 2000
- Lord BroadbridgeCrossbenchMember of the House of LordsPeer since 1972
- Deidre BrockScottish National PartyMP for Edinburgh North and LeithMP since 2015
- Lord BrocketOtherMember of the House of LordsPeer since 1967
- Christopher Brocklebank-FowlerSocial Democratic PartyMP for North West NorfolkMP since 1970
- Lord BrockwayLabourMember of the House of LordsPeer since 1964
- Lord BroersCrossbenchMember of the House of LordsPeer since 2004
- James BrokenshireConservativeMP for Old Bexley and SidcupMP since 2005
- Earl of Brooke and WarwickOtherMember of the House of LordsPeer since 1984
- Earl of Brooke and WarwickCrossbenchMember of the House of LordsPeer since 1996
- Lord Brooke of AlverthorpeLabourMember of the House of LordsPeer since 1997
- Lord Brooke of Sutton MandevilleConservativeMember of the House of LordsPeer since 2001
- Baroness Brooke of YstradfellteOtherMember of the House of LordsPeer since 1964
- Annette BrookeLiberal DemocratMP for Mid Dorset and North PooleMP since 2001
- Viscount BrookeboroughCrossbenchMember of the House of LordsPeer since 1987
- Viscount BrookeboroughConservativeMember of the House of LordsPeer since 1973
- Lord BrookesCrossbenchMember of the House of LordsPeer since 1976
- Lord BrookmanLabourMember of the House of LordsPeer since 1998
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0