UK Parliamentarians
- Fiona BruceConservativeMP for CongletonMP since 2010
- Mr Ian BruceConservativeMP for South DorsetMP since 1987
- Jock Bruce-GardyneConservativeMP for KnutsfordMP since 1979
- Lord Bruce-GardyneConservativeMember of the House of LordsPeer since 1983
- Lord Bruce-LockhartConservativeMember of the House of LordsPeer since 2006
- Peter BruinvelsConservativeMP for Leicester EastMP since 1983
- Lord BruntisfieldOtherMember of the House of LordsPeer since 1942
- Lord BruntisfieldConservativeMember of the House of LordsPeer since 1993
- Baroness Bryan of PartickLabourMember of the House of LordsPeer since 2018
- Sir Paul BryanConservativeMP for BoothferryMP since 1955
- Chris BryantLabourMP for Rhondda and OgmoreMP since 2001
- The Duke of Buccleuch and QueensberryConservativeMember of the House of LordsPeer since 1973
- Earl of BuchanCrossbenchMember of the House of LordsPeer since 1984
- Felicity BuchanConservativeMP for KensingtonMP since 2019
- Norman BuchanLabourMP for Paisley SouthMP since 1964
- Alick Buchanan-SmithConservativeMP for Kincardine and DeesideMP since 1964
- Ms Karen BuckLabourMP for Westminster NorthMP since 1997
- Sir Antony BuckConservativeMP for North ColchesterMP since 1961
- Earl of BuckinghamshireConservativeMember of the House of LordsPeer since 1983
- Sir Robert BucklandConservativeMP for South SwindonMP since 2010
- George BuckleyLabourMP for HemsworthMP since 1987
- Julia BuckleyLabourMP for ShrewsburyMP since 2024
- Viscount BuckmasterCrossbenchMember of the House of LordsPeer since 1974
- Nicholas BudgenConservativeMP for Wolverhampton South WestMP since 1974
- Baroness BullCrossbenchMember of the House of LordsPeer since 2018
- Lord BullockCrossbenchMember of the House of LordsPeer since 1976
- Esmond BulmerConservativeMP for Wyre ForestMP since 1974
- Lord BurdenNon-affiliatedMember of the House of LordsPeer since 1970
- Lord BurdenNon-affiliatedMember of the House of LordsPeer since 1995
- Richard BurdenLabourMP for Birmingham, NorthfieldMP since 1992
- Sir Frederick BurdenConservativeMP for GillinghamMP since 1950
- Lord BurghOtherMember of the House of LordsPeer since 1959
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0