San Quirino (Friulian: San Quarìn) is a comune (municipality) in the Province of Pordenone in the Italian region Friuli-Venezia Giulia, located about 100km northwest of Trieste and about 8km northeast of Pordenone. San Quirino borders the following municipalities: Aviano, Cordenons, Maniago, Montereale Valcellina, Pordenone, Roveredo in Piano, Vivaro.