UK Parliamentarians
- Lord BallyedmondConservativeMember of the House of LordsPeer since 2004
- Lord BamfordConservativeMember of the House of LordsPeer since 2013
- Lord Banbury of SouthamConservativeMember of the House of LordsPeer since 1981
- Antonia BanceLabourMP for Tipton and WednesburyMP since 2024
- Lord BancroftCrossbenchMember of the House of LordsPeer since 1982
- Gordon BanksLabourMP for Ochil and South PerthshireMP since 2005
- Lord BanksLiberal DemocratMember of the House of LordsPeer since 1975
- Matthew BanksConservativeMP for SouthportMP since 1992
- Robert BanksConservativeMP for HarrogateMP since 1974
- Tony BanksLabourMP for West HamMP since 1983
- Lord BannerConservativeMember of the House of LordsPeer since 2024
- Lord BannsideDemocratic Unionist PartyMember of the House of LordsPeer since 2010
- Lord Barber of AinsdaleLabourMember of the House of LordsPeer since 2025
- Lord Barber of ChittlehamptonLabourMember of the House of LordsPeer since 2026
- Lord Barber of TewkesburyCrossbenchMember of the House of LordsPeer since 1992
- Lord BarberConservativeMember of the House of LordsPeer since 1975
- Steve BarclayConservativeMP for North East CambridgeshireMP since 2010
- Hannah BardellScottish National PartyMP for LivingstonMP since 2015
- Lord Barker of BattleConservativeMember of the House of LordsPeer since 2015
- Baroness BarkerLiberal DemocratMember of the House of LordsPeer since 1999
- Paula BarkerLabourMP for Liverpool WavertreeMP since 2019
- Ms Celia BarlowLabourMP for HoveMP since 2005
- Lord BarnardCrossbenchMember of the House of LordsPeer since 1964
- Michael BarnesLabourMP for Brentford and ChiswickMP since 1966
- Mr Harry BarnesLabourMP for North East DerbyshireMP since 1987
- Mrs Rosie BarnesIndependent SDPMP for GreenwichMP since 1987
- Guy BarnettLabourMP for GreenwichMP since 1971
- Lord BarnettLabourMember of the House of LordsPeer since 1983
- Mr John BaronConservativeMP for Basildon and BillericayMP since 2001
- Baroness BarranConservativeMember of the House of LordsPeer since 2018
- John BarrettLiberal DemocratMP for Edinburgh WestMP since 2001
- Viscount BarringtonLiberal DemocratMember of the House of LordsPeer since 1960
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0