- Baggy ShankerConstituency: Derby SouthParty: Labour (Co-op)
- Bambos CharalambousConstituency: Southgate and Wood GreenParty: Labour
- Barry GardinerConstituency: Brent WestParty: Labour
- Becky GittinsConstituency: Clwyd EastParty: Labour
- Bell Ribeiro-AddyConstituency: Clapham and Brixton HillParty: Labour
- Ben ColemanConstituency: Chelsea and FulhamParty: Labour
- Ben GoldsboroughConstituency: South NorfolkParty: Labour
- Ben LakeConstituency: Ceredigion PreseliParty: Plaid Cymru
- Ben MaguireConstituency: North CornwallParty: Liberal Democrat
- Ben Obese-JectyConstituency: HuntingdonParty: Conservative
- Bill EstersonConstituency: Sefton CentralParty: Labour
- Blair McDougallConstituency: East RenfrewshireParty: Labour
- Blake StephensonConstituency: Mid BedfordshireParty: Conservative
- Bob BlackmanConstituency: Harrow EastParty: Conservative
- Bobby DeanConstituency: Carshalton and WallingtonParty: Liberal Democrat
- Bradley ThomasConstituency: BromsgroveParty: Conservative
- Brendan O'HaraConstituency: Argyll, Bute and South LochaberParty: Scottish National Party
- Brian LeishmanConstituency: Alloa and GrangemouthParty: Labour
- Brian MathewConstituency: Melksham and DevizesParty: Liberal Democrat
- Bridget PhillipsonConstituency: Houghton and Sunderland SouthParty: Labour