Quercus edwardsiae is a species of oak endemic to northeastern Mexico.
It is closely related to Quercus porphyrogenita.
Quercus edwardsiae is endemic to the Sierra de Lampazos of Nuevo León state of northeastern Mexico, in the municipalities of Lampazos and Bustamante. The Sierra de Lampazos is a northern outlier of the Sierra Madre Oriental.
The species is found in oak-forested canyons between 522 and 700 meters elevation. It grows as isolated trees among other oaks.
Little is known about the population of the species. Its habitat is mostly located on private land.