San Romano is a town in Tuscany, central Italy, administratively made up of two homonymous frazioni belonging respectively to the municipality of Montopoli in Val d'Arno and that of San Miniato, province of Pisa. At the time of the 2001 census its population was 4,417. San Romano is about 38 km from Pisa, 3 km from Montopoli in Val d'Arno and 10 km from San Miniato.