Gray Mountain or variants may refer to:
Settlements Gray Mountain, Arizona, US
Mountains Gray Mountain, Whitehorse, Yukon, Canada Gray Mountain (Kentucky), US, location of John Shell Cabin Gray Mountain, Peloncillo Mountains, New Mexico
Arts and entertainment Gray Mountain (Grisham novel), 2014 Grey Mountains in J. R. R. Tolkien's Middle-earth fiction Ered Mithrin Grey Mountains in the fictional Warhammer Fantasy (setting) by Games Workshop The Grey Mountains, a 1992 supplement for Middle-earth Role Playing
See also Gray Peak (disambiguation) Gray Nunatak, Antarctica Gray Summit, Missouri, US