B
- Bachir Boumaâza Belgium 2
- Baba Sehgal India C1
- Bad Boy T S. Africa Celeb1 Real name = Thomas Msengana
- Bálint Kormos Hungary 1
- Bam Jerome Romana Philippines Teen1 Real name = Charles
- Barbara Knap Poland 2
- Baron Frederick Von Geisler
- Donald David Geisler III Philippines C2 Joint Housemate
- Bart Glazenmakers Belgium 5
- Bart van de Velde Netherlands 1
- Bart van de Velde Netherlands V2
- Bart van Opstal Belgium 1
- Bart van Opstal Belgium AS1
- Bartek Lenert Poland 4 Real name = Bartosz
- Bashara Arabia 1 Lebanon
- Bashy Quraishy Denmark VIP1
- Basti Wrzosek Germany 7 Real name = Sebastian
- Bayo Adebayo Adetomiwa Okoh Africa 1 Nigeria; Name=Alexander
- Bea Saw Philippines 2
- Beate Leiren Norway/Sweden 1 Norway
- Beate Sauer Germany 6
- Beatriz Cárdenas Spain 5
- Beatriz Gómez Spain 7
- Beatriz González Spain 6
- Beau Beasley USA 6
- Becki Seddiki UK 5
- Belinda Thorpe Australia 3
- Ben Cramer Netherlands V1
- Ben McCallum Australia 8
- Ben Williams Australia 1
- Benjamin Archbold Australia 3
- Benjamin Bundervoet Belgium 6
- Benjamin Mora Mendevil Mexico 3
- Benjamin Sorani Sweden 2
- Benjamin Urlich Germany 6
- Benoît Marier Canada 2
- Bernadettè Schneiders Ott Germany 6
- Bert Verbessem Belgium 3
- Bertha Alicia Rodriguez Pacifico 1 Peru
- Bertha Africa 2 Zimbabwe
- Bettina Zimmermann Germany 6
- Betty van Insberghe Belgium 1
- Betty Belgium VIP1
- Bez Berry UK Celeb3
- Bianca Binek Germany 6
- Bianca Claesen Belgium 3
- Bianca Gonzales Philippines C1
- Bianca Ketser Netherlands 2
- Bianca Plune Netherlands 1
- Big Lale Serbia VIP1 Real name = Lazar Antić
- Bill Flynn S. Africa Celeb1
- Billi Bhatti UK 8
- Billy Bentley Australia 7 First name = Chris
- Birgit Sinn Germany 6
- Birthday Thailand 2
- Biserka Dolenc Croatia 2
- Biwi Mittermeier Germany 2 Real name=Christian
- Kristian Hilberg Norway/Sweden 2 Norway
- Blair McDonough Australia 1
- Bo Netherlands 4
- Bob Philippines 1 Jun Bob Dela Cruz
- Bobby Darling India C1
- Bodie Czeladka Australia 7
- Bodie Elmo Jeremiah Cruz Philippines 2
- Bogus³awa Adamczyk Poland 2
- Bom Thailand 2
- Bonnie Holt UK 7
- Bonnie St. Claire Netherlands V2
- Boo Thailand 2
- Boris Prihradský Slovakia 1
- Borislav Nikolov Borisov Bulgaria 3
- Botho-Kay Kessels Germany 4
- Boyan Bogomilov Angelov Bulgaria 3
- Brad Wood S. Africa 1 (real name = Bradford)
- Bram Recourt Netherlands 4
- Branislav Cvetković Serbia 1
- Brankica Čonda Croatia 2
- Bree Amer Australia 4
- Brenda-Lee Tamaya-Chabot Canada 3
- Brenda Fox Philippines Teen1
- Brian Belo UK 8
- Brian Dowling UK 2
- Brigitta Callens Belgium VIP1
- Brigitte Bourdeau Canada 1
- Brigitte Nielsen Denmark VIP1
- Brigitte Nielson UK Celeb3
- Brito Arceo Spain VIP2 First names = Juan Manuel
- Britt Goodwin Norway/Sweden 1
- Brittany Petros USA 1
- Brodie Young Australia 2
- Bruce Angelo Quebral Philippines 2
- Bruna Tatiana Lemas Estevão Africa 1 Angola
- Bruna Tavares Brazil 7
- Bruno Del Turco Italy 4
- Bruno Ferreira Brazil 7
- Bruno Saladini Brazil 1
- Bruno Portugal 2
- Bruno France 3
- Buba Brazil 4 Real name: Edilson Buba
- Bubble Ferguson UK 2 Real name = Paul
- Budoy Marabiles Philippines C1
- Bunky Miller USA 2 Real name=William
- Burek Janićijević Serbia 2 Real name = Živan
Read more about this topic: List Of Big Brother Housemates