| 301 | Pug | Group 9 Companions and Toys |
| 302 | Puli | Group 1 Sheepdogs and Cattledogs |
| 303 | Pumi | Group 1 Sheepdogs and Cattledogs |
| 304 | Pyrenean Mastiff | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 305 | Pyrenean Mountain Dog | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 306 | Pyrenean Sheepdog Long-haired | Group 1 Sheepdogs and Cattledogs |
| 307 | Rajapalayam Hound | Group 6 Scent hounds and related breeds |
| 308 | Rampur Hound | Group 6 Scent hounds and related breeds |
| 309 | Rat Terrier | Group 3 Terriers |
| 310 | Redbone Coonhound | Group 6 Scent hounds and related breeds |
| 311 | Rhodesian Ridgeback | Group 6 Scent hounds and related breeds |
| 312 | Romanian Carpathian Shepherd Dog | Group 1 Sheepdogs and Cattledogs |
| 313 | Romanian de Bucovina Shepherd Dog | Group 1 Sheepdogs and Cattledogs |
| 314 | Romanian Mioritic Shepherd Dog | Group 1 Sheepdogs and Cattledogs |
| 315 | Rottweiler | Group 2 Pinschers, Schnauzers, Mastiffs and Swiss mountain & cattledogs |
| 316 | Collie Rough | Group 1 Sheepdogs and Cattledogs |
| 317 | Russian Spaniel | Group 8 Retrievers, Water Dogs and Flushing Dogs |
| 318 | Russian Toy Terrier | Group 9 Companions and Toys |
| 319 | Russian-European Laika | Group 5 Primitive type dogs and Spitzes |
| 320 | Saarloos Wolfdog | Group 1 Sheepdogs and Cattledogs |