Breeds with B 61
- Barbet
- Basenji
- Bassador
- Basset Fauve de Bretagne
- Basset Hound
- Basset Retriever
- Bavarian Mountain Scent Hound
- Beabull
- Beagle
- Beaglier
- Bearded Collie
- Bedlington Terrier
- Belgian Malinois
- Belgian Sheepdog
- Belgian Tervuren
- Berger Picard
- Bernedoodle
- Bernese Mountain Dog
- Bichon Frise
- Biewer Terrier
- Black and Tan Coonhound
- Black Mouth Cur
- Black Russian Terrier
- Bloodhound
- Blue Lacy
- Bluetick Coonhound
- Bocker
- Boerboel
- Boglen Terrier
- Bolognese
- Borador
- Border Collie
- Border Sheepdog
- Border Terrier
- Bordoodle
- Borzoi
- BoShih
- Bossie
- Boston Boxer
- Boston Terrier
- Bouvier des Flandres
- Boxador
- Boxer
- Boxerdoodle
- Boxmatian
- Boxweiler
- Boykin Spaniel
- Bracco Italiano
- Braque du Bourbonnais
- Briard
- Brittany
- Broholmer
- Brussels Griffon
- Bugg
- Bull-Pei
- Bull Terrier
- Bullador
- Bullboxer Pit
- Bulldog
- Bullmastiff
- Bullmatian