An alligator lizard is any one of various species of lizards in the family Anguidae that have some shared characteristics. The term may specifically refer to:

Species of the genus Elgaria (western alligator lizards)

• Cedros Island alligator lizard (Elgaria cedrosensis)
• Central peninsular alligator lizard (Elgaria velazquezi)
• Madrean alligator lizard (Elgaria kingii)
• Northern alligator lizard (Elgaria coerulea)
• Panamint alligator lizard (Elgaria panamintina)
• San Lucan alligator lizard (Elgaria paucicarinata)
• Southern alligator lizard (Elgaria multicarinata)

Species of the genus Gerrhonotus

• Farr's alligator lizard (Gerrhonotus farri)
• Pygmy alligator lizard (Gerrhonotus parvus)
• Species called Texas alligator lizard
  • Gerrhonotus infernalis
  • Gerrhonotus liocephalus, also called Wiegmann's alligator lizard and smooth-headed alligator lizard
• Lugo's alligator lizard (Gerrhonotus lugoi)

Species of the genus Abronia (arboreal alligator lizards)

• Coapilla arboreal alligator lizard (Abronia cunemica)