Tsingy Girdled Lizard 
Turner’s thick-toed gecko 
Twin-spotted Rattlesnake 
Twist-necked turtle 
Two-banded chameleon 
Two-headed Sipo 
Two-lined Dragon 
Two-lined Ground Skink 
Two-spined Rainbow Skink 
Two-toned Soft-nosed Chameleon 
Tyrrhenian wall lizard 
Uganda Blue-headed Tree Agama 
Underwoods Spectacled Tegu 
Urutu 
Usambara bush viper 
Valparaiso Smooth-throated Lizard 
Variable Coral Snake 
Variable mabuya 
variable mud turtle 
Veiled chameleon 
Vences chameleon 
Viera's Snail-eating Snake 
Vietnamese Blue Crested Lizard 
Vipera berus