San Martino sul Fiora is a village in Tuscany, central Italy, administratively a frazione of the comune of Manciano, province of Grosseto.

At the time of the 2001 census its population amounted to 224.

[1] San Martino sul Fiora is about 70 km from Grosseto and 15 km from Manciano, and it is situated along the Provincial Road which links Catabbio to Sovana, in the valley of Fiora.

The village was formerly known as San Martino di Poggio Pelato and as San Martino di Monticchio.

This Province of Grosseto location article is a stub.