Quercus cortesii is a species of oak native to Central America and southern Mexico.

Quercus cortesii is a large evergreen tree, growing up to 40 meters tall.

They are seldom found with acorns, and reproduce on cycles of five to ten years.

[1] Quercus cortesii ranges through the mountains of Central America and southern Mexico, between 700 and 2400 meters elevation.

The southern end of the range is the Cordillera de Talamanca in Costa Rica and Chiriquí Province of western Panama.