UK Parliamentarians
- Lord Booth-SmithConservativeMember of the House of LordsPeer since 2024
- Lord BoothbyCrossbenchMember of the House of LordsPeer since 1958
- Baroness BoothroydCrossbenchMember of the House of LordsPeer since 2001
- Lord BorrieLabourMember of the House of LordsPeer since 1995
- Mr David S. BorrowLabourMP for South RibbleMP since 1997
- Lord BorthwickCrossbenchMember of the House of LordsPeer since 1996
- Lord BorwickConservativeMember of the House of LordsPeer since 2013
- The 4th Lord BorwickOtherMember of the House of LordsPeer since 1961
- Victoria BorwickConservativeMP for KensingtonMP since 2015
- Robert BoscawenConservativeMP for Somerton and FromeMP since 1970
- Sir Clive BossomConservativeMP for LeominsterMP since 1959
- Lord Boston of FavershamCrossbenchMember of the House of LordsPeer since 1976
- Lord BostonConservativeMember of the House of LordsPeer since 1978
- Lord Boswell of AynhoNon-affiliatedMember of the House of LordsPeer since 2010
- Philip BoswellScottish National PartyMP for Coatbridge, Chryston and BellshillMP since 2015
- Lord BothamCrossbenchMember of the House of LordsPeer since 2020
- Jade BotterillLabourMP for Ossett and Denby DaleMP since 2024
- Baroness Bottomley of NettlestoneConservativeMember of the House of LordsPeer since 2005
- Arthur BottomleyLabourMP for MiddlesbroughMP since 1962
- Lord BottomleyLabourMember of the House of LordsPeer since 1984
- Sir Peter BottomleyConservativeMP for Worthing WestMP since 1975
- Lord Bourne of AberystwythConservativeMember of the House of LordsPeer since 2013
- Baroness BoustedLabourMember of the House of LordsPeer since 2025
- Gerald BowdenConservativeMP for DulwichMP since 1983
- Lord BowdenLabourMember of the House of LordsPeer since 1964
- Sir Andrew BowdenConservativeMP for Brighton, KemptownMP since 1970
- Andrew BowieConservativeMP for West Aberdeenshire and KincardineMP since 2017
- John BowisConservativeMP for BatterseaMP since 1987
- Baroness Bowles of BerkhamstedLiberal DemocratMember of the House of LordsPeer since 2015
- Lord BownessCrossbenchMember of the House of LordsPeer since 1996
- Jimmy BoyceLabourMP for RotherhamMP since 1992
- Lord BoyceCrossbenchMember of the House of LordsPeer since 2003
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0