UK Parliamentarians
- Lord Baker of DorkingConservativeMember of the House of LordsPeer since 1997
- Alex BakerLabourMP for AldershotMP since 2024
- Richard BakerLabourMP for Glenrothes and Mid FifeMP since 2024
- Baroness Bakewell of Hardington MandevilleLiberal DemocratMember of the House of LordsPeer since 2013
- Baroness BakewellLabourMember of the House of LordsPeer since 2011
- Dame Harriett BaldwinConservativeMP for West WorcestershireMP since 2010
- Lord BalfeConservativeMember of the House of LordsPeer since 2013
- Alex BallingerLabourMP for HalesowenMP since 2024
- Antonia BanceLabourMP for Tipton and WednesburyMP since 2024
- Lord BannerConservativeMember of the House of LordsPeer since 2024
- Lord Barber of AinsdaleLabourMember of the House of LordsPeer since 2025
- Lord Barber of ChittlehamptonLabourMember of the House of LordsPeer since 2026
- Steve BarclayConservativeMP for North East CambridgeshireMP since 2010
- 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
- Baroness BarranConservativeMember of the House of LordsPeer since 2018
- Lee BarronLabourMP for Corby and East NorthamptonshireMP since 2024
- Mr Alex Barros-CurtisLabourMP for Cardiff WestMP since 2024
- Lord BarrowCrossbenchMember of the House of LordsPeer since 2025
- Lord BarwellConservativeMember of the House of LordsPeer since 2019
- Lord Bassam of BrightonLabourMember of the House of LordsPeer since 1997
- Lord BatesConservativeMember of the House of LordsPeer since 2008
- Baroness BattersCrossbenchMember of the House of LordsPeer since 2024
- Johanna BaxterLabourMP for Paisley and Renfrewshire SouthMP since 2024
- Danny BealesLabourMP for Uxbridge and South RuislipMP since 2024
- Lord BeamishLabourMember of the House of LordsPeer since 2024
- Lorraine BeaversLabourMP for Blackpool North and FleetwoodMP since 2024
- Baroness BeckettLabourMember of the House of LordsPeer since 2024
- Mr Peter BedfordConservativeMP for Mid LeicestershireMP since 2024
- Órfhlaith BegleySinn FéinMP for West TyroneMP since 2018
- Apsana BegumLabourMP for Poplar and LimehouseMP since 2019
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0