Magnolia hernandezii is a species of plant in the family Magnoliaceae. It is endemic to Colombia. The tree can attain a height of up to 40 m and trunk diameter approaching 1 m with smooth, light-brown or light-grey bark. It has a woody, globular fruit with up to 15 cm diameter.

The Species is being investigated by a conservation and propagation research program implemented by Technical University of Pereira with support by Botanical Gardens Conservation International .

Locally called molinillo, the tree is endemic to the Cauca river watershed and surroundings, from Antioquia department to the South of Valle department. It is distributed between 1700 and 2600 m. Currently the species only occurs in a few locations with remains of old-growth primary forest, on the slopes of the Occidental and Central Andean Cordillera, in Valle, Quindío, Antioquia and Risaralda departments. In Risaralda department, it is very scarce, there is confirmed presence of the species in the Municipalities of Santuario, La Celia, Pereira and potentially in rural areas of the municipalities of Pueblo Rico, Belén de Umbría, Apía and Balboa.

Its distribution is critically endangered principally because of expansion of coffee growth, and livestock grazing areas, construction of housing and roads, and especially due to its overexploitation for use as sawnwood.

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