Corytophanes hernandesii, also known commonly as Hernandez's helmeted basilisk and el turipache de montaña in Spanish, is a species of lizard in the family Corytophanidae.

The species is native to Central America and southern Mexico.

The specific name, hernandesii, is in honor of Spanish naturalist Francisco Hernández (1514–1587).

[3] C. hernandesii is found in Belize, Guatemala, and Honduras, and in the southern Mexican states of Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, San Luis Potosí, Veracruz, and Yucatán.

[2] The preferred natural habitat of C. hernandesii is forest, at altitudes from sea level to 1,300 m (4,300 ft).