Savogna d'Isonzo (; ) is a (municipality) in the Regional decentralization entity of Gorizia in the Italian region of Friuli-Venezia Giulia, located about northwest of Trieste and about southwest of Gorizia, on the border with Slovenia. The name of the village comes from the Slovene word , which means "confluence". Near Savogna, in fact, the Vipava river flows into the Isonzo at the conjunction of the Karst Plateau and the Vipava Valley.
92% of the population was of Slovene ethnicity according to the Italian census of 1971.