Cape cobra 
Cape coral snake 
Cape dwarf chameleon 
Cape Dwarf Gecko 
Carbonell's wall lizard 
Cardamom Mountains Green Pitviper 
Carolina anole 
Carpet chameleon 
Carpet python 
Carter's rock gecko 
Caspian bent-toed gecko 
Caspian Grasping Gecko 
Caspian whipsnake 
Cat gecko 
Catalan wall lizard 
Cattien Bent-toed Gecko 
Caucasian Agama 
Cave-dwelling Rat Snake 
Cedros Island Horned Lizard 
Central American bushmaster 
Central American jumping pitviper 
Central American Lyresnake 
Central American Tree Snake 
Central American Whiptail