Mossa (; ) 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 west of Gorizia.
The name is derived from the Old German .
Mossa borders the following municipalities: Capriva del Friuli, Farra d'Isonzo, Gorizia, San Floriano del Collio, San Lorenzo Isontino.