Sommariva Perno is a comune (municipality) in the Province of Cuneo in the Italian region Piedmont, located in Roero about southeast of Turin and about northeast of Cuneo. As of 31 December 2004, it had a population of 2,800 and an area of .
The municipality of Sommariva Perno contains the frazioni (subdivisions, mainly villages and hamlets) Valle Rossi, San Giuseppe, and Villa.
Sommariva Perno borders the following municipalities: Baldissero d'Alba, Corneliano d'Alba, Monticello d'Alba, Pocapaglia, Sanfrè, and Sommariva del Bosco.
The âÂÂSagra della fragola e del vino birbetâÂÂ, held at the end of May, celebrates two of the typical products of Roero: The local strawberries and Birbèt: a sweet, pomegranate-red, partially fermented, festive wine made from the Roero version of the Brachetto grape (), which hangs from the vine in elongated clusters.