Urosaurus auriculatus, also known as the Socorro Island tree lizard, is a species of lizard. It is endemic to Socorro Island, one of the Revillagigedo Islands off Baja California (Mexico). Urosaurus auriculatus is found through much of the island; it is absent from areas of erosion caused by overgrazing by sheep.

Adult lizards measure on average 66 mm (2.6 in) in snout–vent length. The species is oviparous.

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