Rafeiro do Alentejo

Raggle

Rajapalyam 

Rampur Greyhound

Rashon

Rastreador Brasileiro 

Rat Terrier

Rat-A-Pap

Rat-Cha

Ratshi Terrier

Ratshire Terrier

Rattle

Rattle Griffon

Redbone Coonhound

Rhodesian Ridgeback

Roman Rottweiler

Rotterman

Rottle

Rottweiler

Rough Collie (See Collie)

Rumanian Sheepdog

Russian Bear Schnauzer (See Black Russian Terrier)

Russian Harlequin Hound 

Russian Hound

Russian Spaniel

Russian Toy Terrier

Russian Tsvetnaya Bolonka

Russian Wolfhound (See Borzoi)

Russo-European Laika 

Rustralian Terrier