Mount Maslen is a mountain, 1200m (3,900feet) high, standing 1nmi west of Mount Currie in the Raggatt Mountains of Enderby Land, Antarctica. It was plotted from air photos taken from Australian National Antarctic Research Expeditions aircraft in 1956 and was named by the Antarctic Names Committee of Australia for A.W.G. Maslen, the officer-in-charge at Mawson Station in 1961.