- Bacon, Gareth
- Bacon, Richard
- Badenoch, Kemi
- Bailey, Adrian
- Bailey, Shaun
- Baillie, Siobhan
- Baker, Duncan
- Baker, Steve
- Baldwin, Harriett
- Barclay, Stephen
- Bardell, Hannah
- Barker, Paula
- Baron, John
- Barron, Kevin
- Barwell, Gavin
- Baynes, Simon
- Bebb, Guto
- Beckett, Margaret
- Begley, Órfhlaith
- Begum, Apsana
- Bell, Aaron
- Bellingham, Henry
- Benn, Hilary
- Benton, Scott
- Benyon, Richard
- Bercow, John
- Beresford, Paul
- Berger, Luciana
- Berry, Jake
- Berry, James
- Betts, Clive
- Bhatti, Saqib
- Bingham, Andrew
- Black, Mhairi
- Blackford, Ian
- Blackman, Bob
- Blackman, Kirsty
- Blackman-Woods, Roberta
- Blackwood, Nicola
- Blake, Olivia
- Blenkinsop, Tom
- Blomfield, Paul
- Blunt, Crispin
- Boles, Nick
- Bone, Peter
- Bonnar, Steven
- Borwick, Victoria
- Boswell, Phil
- Bottomley, Peter
- Bowie, Andrew
- Brabin, Tracy
- Bradley, Ben
- Bradley, Karen
- Bradshaw, Ben
- Brady, Graham
- Brady, Mickey
- Brake, Tom
- Brazier, Julian
- Brennan, Kevin
- Brereton, Jack
- Bridgen, Andrew
- Brine, Steve
- Bristow, Paul
- Britcliffe, Sara
- Brock, Deidre
- Brokenshire, James
- Brown, Alan
- Brown, Lyn
- Brown, Nicholas
- Browne, Anthony
- Bruce, Fiona
- Bryant, Chris
- Buchan, Felicity
- Buck, Karen
- Buckland, Robert
- Burden, Richard
- Burghart, Alex
- Burgon, Richard
- Burnham, Andy
- Burns, Conor
- Burns, Simon
- Burrowes, David
- Burt, Alistair
- Butler, Dawn
- Butler, Rob
- Byrne, Ian
- Byrne, Liam