Amazon Forest Dragon 
Amazon Lava Lizard 
Amazon Puffing Snake 
Amazon tree boa 
Amazon Whipsnake 
Amazonian Toad-headed Pitviper 
Amber Mountain chameleon 
Amboina box turtle 
Ameiva atrigularis 
American Alligator 
American Crocodile 
Ampijoroa Tree Snake 
Anaimalai spiny lizard 
Anatololacerta oertzeni pelasgiana 
Anchicayá Anole 
Andaman Bronze-back 
Andean Snail-Eater 
Anderson's Short-fingered Gecko 
Angel's chameleon 
Angonoka tortoise 
Anguilla Bank anole 
Angulate Tortoise 
Anja Day Gecko 
Anja Half-padded Gecko