False fer-de-lance 
False monitor 
False Smooth Snake 
False water cobra 
Fan-throated lizard 
Field's horned viper 
Fiji Crested Iguana 
First Anole 
Fitch's Anole 
FitzSimons burrowing skink 
Five-banded Gliding Lizard 
Flame-bellied Armadillo Lizard 
Flap-necked chameleon 
Flat-tailed Horned Lizard 
Flat-tailed house gecko 
Flathead Leaf-toed Gecko 
Flinders Ranges Masked Rock-skink 
Floreana Lava Lizard 
Florida banded water snake 
Florida kingsnake 
Florida Pinesnake 
Forest cobra 
Forest Water Snake 
Forest Whiptail