Spiny lizards is a common name for the genus Sceloporus in the family Phrynosomatidae. The genus is endemic to North America, with various species ranging from New York, to Washington, and one occurring as far south as northern Panama. The greatest diversity is found in Mexico. This genus includes some of the most commonly seen lizards in the United States. Other common names for lizards in this genus include fence lizards, scaly lizards, bunchgrass lizards, and swifts.

Taxonomy: The 114 species in the genus Sceloporus are organized into 21 species groups. However, their relationships to each other are currently under review. Listed below are species of Sceloporus:

Species: Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Sceloporus.

Sceloporus gallery: