Mount Subasio is a mountain of the Apennine mountains, in the province of Perugia, Umbria, central Italy. On its slopes are located the ancient towns of Assisi and Spello.

The mountain stands about 1290 metres above sea level.

Its pink colored stones were used for many Franciscan buildings at the World Heritage site of Assisi. The area is included in the natural park Parco del Monte Subasio.