B
- René Balcer – television writer and producer, famous for the US television show Law and Order
- Lanny Barbie – porn star
- Roger Barnes – professional wrestler
- Jay Baruchel – television/movie actor
- Doug Beardsley – poet and educator
- Philippe de Gaspé Beaubien – broadcasting, magazines
- Bianca Beauchamp – fetish fashion model
- Tanith Belbin – Figure Skater, Olympic Silver medalist
- Jean Béliveau – former NHL hockey player
- Chris Benoit – pro-wrestler (born in Montreal, but raised in Edmonton, Alberta)
- Eric Berne – psychiatrist, creator of Transactional Analysis, and author of Games People Play
- André Besette – CSC Holy Cross Brother, Miracle Worker of Montreal
- Tim Biakabutuka – former NFL football player/Carolina Panthers
- Charlie Biddle – Montreal Jazz pioneer and Juno award winner
- Yannick Bisson – actor mostly known for playing Jack in the Sue Thomas: F.B. Eye series
- Sacha Dean Biyan – noted fashion photographer raised in Montreal but now based in New York
- Conrad Black – controversial financier and newspaper magnate
- Toe Blake – Montreal Canadiens hockey Legend
- Bless – hip-hop artist
- Paul Bley – jazz pianist
- Patrick Bordeleau – Hockey Player
- Mike Bossy – Hockey Hall of Fame member
- Maurice "Mom" Boucher – leader Hells Angels
- Henri Bourassa – political leader and publisher
- Robert Bourassa – former Quebec premier
- Pierre Bourque – mayor
- Raymond Bourque – former NHL hockey player
- Pierre Bouvier – frontman of Simple Plan and songwriter
- Scotty Bowman – hockey coach
- Justin Bradley – actor, Based out of Montreal and Toronto. Sometimes works in Los Angeles
- Tim Brady – guitarist/composer
- Glenda Braganza – Hollywood actress, recently starred in 10.5: Apocalypse (2006)
- Adam Braz – soccer defender (Montreal Impact & national team)
- Patrice Brisebois – NHL hockey player, Montreal Canadiens
- Martin Brodeur – NHL hockey player/goaltender, New Jersey Devils
- Charles Bronfman – business man and philanthropist
- Edgar Bronfman, Sr. – businessman
- Edward Bronfman – was a Canadian businessman, philanthropist, and member of the Bronfman family.
- Peter Bronfman – Canadian businessman and member of the Bronfman family
- Saidye Rosner Bronfman – philanthropist, and wife of Samuel Bronfman.
- Samuel Bronfman – liquor magnate
- Edwin Orion Brownell – pianist/vocalist
- Geneviève Bujold – actress
- Hy Buller – former NHL All-Star hockey player
- Mario Bunge – philosopher, Frothingham chair of Logic and Metaphysics at McGill University
- Robin Burns – founder and owner ITECH Hockey equipment
- Gerard Butler – Scottish actor. Grew up in Montreal before moving back to his native Scotland.
- Win Butler – singer/songwriter
Read more about this topic: List Of Montreal Athletes