Ruffia is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located about south of Turin and about north of Cuneo. As of 1-1-2017, it had a population of 366 and an area of .
Ruffia borders the following municipalities: Cavallerleone, Cavallermaggiore, Monasterolo di Savigliano, Murello, Scarnafigi, and Villanova Solaro.