Mount Johansen () is a summit rising to 1,555 m in the south-central part of White Massif in the Aramis Range, Prince Charles Mountains. First visited by ANARE (Australian National Antarctic Research Expeditions) southern party led by W.G. Bewsher in December 1956. Named by Antarctic Names Committee of Australia (ANCA) for Sgt. G. Johansen, RAAF, airframe fitter at Mawson Station in 1956.
This article incorporates public domain material from the United States Geological Survey document "Mount Johansen" (content from the Geographic Names Information System).