| 81 | Bolognese | Group 9 Companions and Toys |
| 82 | Border Collie | Group 1 Sheepdogs and Cattledogs |
| 83 | Border Terrier | Group 3 Terriers |
| 84 | Borzoi - Russian hunting Sighthound | Group 10 Sighthounds (Windhounds) |
| 85 | Croatian Shepherd Dog (Hrvatski Ovcar) | Group 1 Sheepdogs and Cattledogs |
| 86 | Bosnian Coarse-Haired Hound | Group 6 Scent hounds and related breeds |
| 87 | Boston Terrier | Group 9 Companions and Toys |
| 88 | Bourbonnais Pointing Dog | Group 7 Pointers |
| 89 | Bouvier des Flandres / Vlaamse Koehond | Group 1 Sheepdogs and Cattledogs |
| 90 | Deutscher Boxer | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 91 | Boykin Spaniel | Group 8 Retrievers, Water Dogs and Flushing Dogs |
| 92 | Bracco Italiano (Italian Pointing Dog) | Group 7 Pointers |
| 93 | Braque Saint-Germain (St.Germain Pointer) | Group 7 Pointers |
| 94 | Brazilian Mastiff | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 95 | Brazilian Terrier | Group 3 Terriers |
| 96 | Briard | Group 1 Sheepdogs and Cattledogs |
| 97 | Brittany Spaniel | Group 7 Pointers |
| 98 | Broholmer | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 99 | Brussels Griffon | Group 9 Companions and Toys |
| 100 | Bull Terrier | Group 3 Terriers |