Longtail Mabuya 
Lowland copperhead 
Lundell's Spiny Lizard 
Lynch's Anole 
Lyre Anole 
Madagascar day gecko 
Madagascar girdled lizard 
Madagascar Keeled Cordylid 
Madagascar Leaf-nosed Snake 
Madagascar Velvet Gecko 
Madagascar West Coast Skink 
Madeira wall lizard 
Madrean alligator lizard 
Mahafaly Fish-scale Gecko 
Malabar pit viper 
Malagasy Cat-eyed Snake 
Malagasy Giant Chameleon 
Malagasy ground boa 
Malagasy Side-striped chameleon 
Malagasy tree boa 
Malayan Banded Wolf Snake 
Malayan Bridal Snake 
Malayan flat-shelled turtle 
Malayan forest gecko