Spigno Monferrato is a comune (municipality) in the Province of Alessandria in the Italian region of Piedmont, located about 80 kilometres (50 mi) southeast of Turin and about 45 kilometres (28 mi) southwest of Alessandria.
The land of Spigno had previously been own by the Count of Sales, an illegitimate brother of Victor Amadeus II of Savoy. It had previously been a fiefdom of the holy Roman Empire. In 1730 he married morganatically to Anna Canalis di Cumiana who was created the Marchioness of Spigno in her own right.
- ^ Comune di Spigno Monferrato (2004), Frazioni
- ^ All demographics and other statistics: Italian statistical institute ISTAT.