Pygmy Rattlesnake 
Pygmy short-horned lizard 
Queen Snake 
Radde's Lizard 
Ragged Snake-eyed Skink 
Rainbow Boa 
Rainbow lizard 
Rainbow Mabuya 
Rainbow water snake 
Rainbow whiptail 
Rainforest hognosed pitviper 
Ranomafana Big-headed Snake 
Ranomafana Nosed Chameleon 
Rapid Racerunner 
Ratonel 
Red Diamond Rattlesnake 
Red sand boa 
Red spitting cobra 
Red-barred Dragon 
Red-bellied black snake 
Red-bellied Keelback 
Red-headed Forest Racer 
Red-headed krait 
Red-headed Rock Agama