- Barbet
- Broholmer
- Bernese Mountain Dog
- Brittany
- Bouvier des Flandres
- Bracco Italiano
- Bichon Frise
- Bernese Shepherd
- Bordernese
- Bergle
- Border-Aussie
- Bichonaranian
- Brusselranian
- Bidoodle
- Bolonoodle
- Bea-Tzu
- Bascottie
- Bassetoodle
- Basset Jack
- Ba-Shar
- Basschshund
- Bagle Hound
- Basset Bleu de Gascogne
- Braques Français Pyrenean
- Barbado da Terceira
- Belgian Laekenois
- Bull Arab
- Bergamasco Sheepdog
- Boston Terrier Pekingese Mix
- Bohemian Shepherd
- Bull-Pei
- Bullador
- Boxador
- Boston Boxer
- Beabull
- Boxweiler
- Bugg
- BoShih
- Border Sheepdog
- Beaglier
- Bossie
- Basset Retriever
- Bocker
- Boglen Terrier
- Borador
- Braque du Bourbonnais
- Boxmatian
- Boxerdoodle
- Bordoodle
- Bavarian Mountain Scent Hound
- Basset Fauve de Bretagne
- Biewer Terrier
- Bullmatian
- Bassador
- Bullboxer Pit
- Blue Lacy
- Boerboel
- Black Mouth Cur
- Bernedoodle
- Berger Picard
- Boykin Spaniel
- Bolognese
- Bluetick Coonhound
- Briard
- Border Collie
- Belgian Tervuren
- Belgian Sheepdog
- Belgian Malinois
- Bearded Collie
- Bulldog
- Boston Terrier
- Brussels Griffon
- Bull Terrier
- Border Terrier
- Bedlington Terrier
- Borzoi
- Bloodhound
- Black and Tan Coonhound
- Beagle
- Basset Hound
- Basenji
- Bullmastiff
- Boxer
- Black Russian Terrier
