Mount Diablo (disambiguation)
Mount Diablo is a mountain in Contra Costa County, California. Mount Diablo may also refer to:
 Devils Peak (Santa Barbara County, California), a peak on Santa Cruz Island
 Mount Diablo, a peak in Jamaica
 Mount Diablo, one of several peaks in British Columbia, Canada with a devil-related name; see Devils Couch
 Mount Diablo, a variant name of Devil Peak (Nevada)

See also
Devil's Peak (disambiguation)