Mount Hiko (英彦山, Hiko-san), is a mountain on the border between Fukuoka Prefecture and Ōita Prefecture in Kyūshū, Japan. It has an elevation of 1,200 metres.

It is an important site for Shugendo, and a famous place for rock climbing. It is supposed Miyamoto Musashi stayed there in order to train after surviving the Toyotomi clan defeat at Sekigahara.