Geckos

Crested Gecko
Leopard Gecko
African Fat Tail Gecko
Smooth Knobtail Gecko
Rough Knobtail Gecko
Thick-Tailed Gecko
Banded Gecko
Gargoyle Gecko
Pictus Gecko
Tokay Gecko

Lizards

Bearded Dragon
Rankins or Lawsons Dragons
Green Anole
Blue Tongue Skink
Frilled Dragon
Curly Tailed Lizard
Cuban Knight Anole
Green Iguana
Uromastyx
Caiman Lizard
Basilisk
Water Dragon
Horned Lizard
Long Tailed Grass Lizard

  Snakes

Ball Python
Corn Snake
Western Hognose Snake
Kenyan Sand Boa
Kingsnake
Brazilian Rainbow Boa
Garter Snake
Spotted Python
Children's Python

Monitors and tegus

Savannah Monitor (Bosc)
Tegu

Turtles/Tortoises

Red Eared Slider
Russian Tortoise
Red Foot Tortoise
Sulcata
Box Turtle

frogs/toads

Dart Frog
Pixie Frog
Pacman Frog
Tomato Frog

chameleons

Jackson's Chameleon
Panther Chameleon
Veiled Chameleon
Pygmy Chameleon

Amphibians

Axolotl
Tiger Salamander
Fire Salamander

This is a great article by John F. Taylor of the ReptileApartment.com on choosing the right lizard for you. If you are thinking of owning a lizard John has some great advice!