Anoles
- Green Anole
- Northern Green Anole
- Southern Green Anole
Banded Geckos
- Texas Banded Gecko
- Reticulate Banded Gecko
- Switak's Banded Gecko
- Peninsula Banded Gecko
- Western Banded Gecko
- San Diego Banded Gecko
- Tucson Banded Gecko
- Utah Banded Gecko
- Desert Banded Gecko
Banded Rock Lizards
- Mearn's Rock Lizards
California Legless Lizards
- Temblor Legless Lizard
- Big Spring Legless Lizard
- Bakersfield Legless Lizard
- Northern Legless Lizard
- San Diegan Legless Lizard
Chuckwallas
- Common Chuckwalla
Collared Lizards
- Great Basin Collared Lizard
- Eastern Collared Lizard
- Sonoran Collared Lizard
- Reticulate Collared Lizard
- Baja California Collared Lizard
Desert Iguana
- Desert Iguana
Dwarf Geckos
- Reef Gecko
- Florida Reef Gecko
Earless Lizards
- Greater Earless Lizard
- Chihuahuan Greater Earless Lizard
- Texas Greater Earless Lizard
- Lesser Earless Lizard
- Elegant Earless Lizard
- Sonoran Earless Lizard
- Spot-Tailed Earless Lizard
- Northern Spot-Tailed Earless Lizard
- Southern Spot-Tailed Earless Lizard
- Common Lesser Earless Lizard
- Plateau Earless Lizard
- Chihuahuan Lesser Earless Lizard
- Great Plains Earless Lizard
- Prairie Earless Lizard
- Bleached Earless Lizard
- Keeled Earless Lizard
- Northern Keeled Earless Lizard
Eastern Alligator Lizards
- Texas Alligator Lizard
Fringe-Toed Lizards
- Coachella Fringe-Toed Lizard
- Colorado Desert Fringe-Toed Lizard
- Yuman Desert Fringe-Toed Lizard
- Mohave Fringe-Toed Lizard
Gila Monsters
- Gila Monster
- Banded Gila Monster
- Reticulate Gila Monster
Glass Lizards
- Slender Glass Lizard
- Western Slender Glass Lizard
- Eastern Slender Glass Lizard
- Island Glass Lizard
- Mimic Glass Lizard
- Eastern Glass Lizard
Ground Skinks
- Little Brown Skink
Horned Lizards
- Blainville's Horned Lizard
- Texas Horned Lizard
- Pygmy Short-Horned Lizard
- Goode's Horned Lizard
- Greater Short-Horned Lizard
- Hernandez's Short-Horned Lizard
- Flat-Tailed Horned Lizard
- Round-Tailed Horned Lizard
- Desert Horned Lizard
- Southern Desert Horned Lizard
- Northern Desert Horned Lizard
- Regal Horned Lizard
Leaf-Toed Geckos
- Peninsula Leaf-Toed Gecko
Leopard Lizards
- Cope's Leopard Lizard
- Blunt-Nosed Leopard Lizard
- Long-Nosed Leopard Lizard
Night Lizards
- Arizona Night Lizard
- Bezy's Night Lizard
- Sandstone Night Lizard
- Granite Night Lizard
- Island Night Lizard
- San Clemente Night Lizard
- San Nicolas Night Lizard
- Sierra Night Lizard
- Desert Night Lizard
- Wiggin's Night Lizard
Side-Blotched Lizards
- Common Side-Blotched Lizard
- Western Side-Blotched Lizard
- Nevada Side-Blotched Lizard
- Northern Side-Blotched Lizard
- Eastern Side-Blotched Lizard
- Plateau Side-Blotched Lizard
Spiny Lizards
- Dunes Sagebrush Lizard
- Twin-Spotted Spiny Lizard
- Clark's Spiny Lizard
- Sonoran Spiny Lizard
- Pleateau Spiny Lizard
- Prairie Lizard
- Southwestern Fence Lizard
- Blue Spiny Lizard
- Common Sagebrush Lizard
- Western Sagebrush Lizard
- Northern Sagebrush Lizard
- Southern Sagebrush Lizard
- Graphic Spiny Lizard
- Mesquite Lizard
- Yarrow's Spiny Lizard
- Canyon Lizard
- Big Bend Canyon Lizard
- Presidio Canyon Lizard
- Merriam's Canyon Lizard
- Western Fence Lizard
- Island Fence Lizard
- San Joaquin Fence Lizard
- Coast Range Fence Lizard
- Great Basin Fence Lizard
- Northwestern Fence Lizard
- Texas Spiny Lizard
- Granite Spiny Lizard
- Crevice Spiny Lizard
- Texas Crevice Spiny Lizard
- New Mexico Crevice Spiny Lizard
- Slevin's Bunchglass Lizard
- Plateau Fence Lizard
- Eastern Fence Lizard
- Yellow-Backed Spiny Lizard
- Rose-Bellied Lizard
- Texas Rose-Bellied Lizard
- Striped Plateau Lizard
- Florida Scrub Lizard
Toothy Skinks
- Coal Skink
- Northern Coal Skink
- Southern Coal Skink
- Mountain Skink
- Mole Skink
- Florida Key Mole Skink
- Cedar Key Mole Skink
- Blue-Tailed Mole Skink
- Peninsula Mole Skink
- Northern Mole Skink
- Common Five-Lined Skink
- Gilbert's Skink
- Veriegated Skink
- Greater Brown Skink
- Northern Brown Skink
- Western Red-Tailed Skink
- Southeastern Five-Lined Skink
- Broad-Headed Skink
- Many-Lined Skink
- Variable Skink
- Northern Many-Lined Skink
- Great Plains Skink
- Florida Sand Skink
- Prairie Skink
- Southern Prairie Skink
- Pallid Skink
- Northern Prairie Skink
- Western Skink
- Coronado Skink
- Skilton's Skink
- Great Basin Skink
- Four-Lined Skink
- Short-Lined Skink
- Long-Lined Skink
Tree and Brush Lizards
- Long-Tailed Brush Lizard
- Western Long-Tailed Brush Lizard
- Arizona Long-Tailed Brush Lizard
- Baja California Brush Lizard
- Ornate Tree Lizard
- Smooth Tree Lizard
- Texas Tree Lizard
- Big Bend Tree Lizard
- Schott's Tree Lizard
- Colorado River Tree Lizard
- Northern Tree Lizard
Western Alligator Lizards
- Northern Alligator Lizard
- San Francisco Alligator Lizard
- Sierra Alligator Lizard
- Northwestern Alligator Lizard
- Shasta Alligator Lizard
- Madrean Alligator Lizard
- Arizona Alligator Lizard
- Southern Alligator Lizard
- California Alligator Lizard
- Oregon Alligator Lizard
- San Diego Alligator Lizard
- Panamint Alligator Lizard
Whiptails
- Arizona Striped Whiptail
- Gray Checkered Whiptail
- Chihuahuan Spotted Whiptail
- Gila Spotted Whiptail
- Common Spotted Whiptail
- Texas Spotted Whiptail
- Orange-Throated Whiptail
- Belding's Orange-Throated Whiptail
- Little Striped Whiptail
- Little White Whiptail
- Trans-Pecos Striped Whiptail
- Woodland Striped Whiptail
- Plains Striped Whiptail
- Laredo Striped Whiptail
- Marbled Whiptail
- Western Marbled Whiptail
- Eastern Marbled Whiptail
- Neaves' Whiptail
- New Mexico Whiptail
- Colorado Checkered Whiptail
- Pai Striped Whiptail
- Plateau Spotted Whiptail
- Big Bend Spotted Whiptail
- Six-Lined Racerunner
- Eastern Six-Lined Racerunner
- Texas Yellow-Headed Racerunner
- Prairie Racerunner
- Sonoran Spotted Whiptail
- Giant Spotted Whiptail
- Common Checkered Whiptail
- Tiger Whiptail
- California Whiptail
- Sonoran Tiger Whiptail
- Plateau Tiger Whiptail
- San Diegan Tiger Whiptail
- Great Basin Whiptail
- Desert Grassland Whiptail
- Plateau Striped Whiptail
- Red-Backed Whiptail
Wide-Snouted Wormlizards
- Florida Wormlizard
Zebra-Tailed Lizards
- Zebra-Tailed Lizard
- Northern Zebra-Tailed Lizard
- Western Zebra-Tailed Lizard
- Eastern Zebra-Tailed Lizard
Alien Species
- West African Rainbow Lizard
- Giant Ameiva
- Dusky Giant Ameiva
- Hispaniolan Green Anole
- Crested Anole
- Puerto Rican Crested Anole
- Bark Anole
- Green Bark Anole
- Florida Bark Anole
- Knight Anole
- Western Knight Anole
- Morne Constant Anole
- Jamaican Giant Anole
- Cuban Green Anole
- Brown Anole
- Cuban Brown Anole
- St Vincent Brush Anole
- Giant Whiptail
- Brown Basilisk
- Indochinese Bloodsucker
- Variable Bloodsucker
- Ocellated Skink
- Veiled Chameleon
- Jackson's Chameleon
- Bibron's Sand Gecko
- Rainbow Whiptail
- Pacific Snake-Eyed Skink
- Isla San Esteban Spiny-Tailed Iguana
- Sonoran Spiny-Tailed Iguana
- Mexican Spiny-Tailed Iguana
- Gray's Spiny-Tailed Iguana
- Rough Tailed Gecko
- Copper Tailed Skink
- Azure Tailed Skink
- Oustalet's Chameleon
- Mutilating Gecko
- Golden Gecko
- Yellow-Headed Gecko
- Common House Gecko
- Indo-Pacific House Gecko
- Wood Slave
- Sri-Lankan Spotted House Gecko
- Asian Flat-Tailed House Gecko
- Mediterranean House Gecko
- Indo-Pacific Tree Gecko
- Green Iguana
- Western Green Lacerta
- Plague Skink
- Northern Curly-Tailed Lizard
- Red-Sided Curly-Tailed Lizard
- Butterfly Lizard
- Reeve's Butterfly Lizard
- Mourning Gecko
- Moth Skink
- Brown Mabuya
- Madagascan Day Gecko
- Orange-Spotted Day Gecko
- Gold Dusk Day Gecko
- Common Wall Lizard
- Italian Wall Lizard
- Ocellated Gecko
- Ashy Gecko
- Ringed Wall Gecko
- Moorish Gecko
- African Five-Lined Skink
- Argentine Giant Tegu
- Nile Monitor