San Pier d'Isonzo

Infobox CityIT
img_coa = SanPierd'Isonzo-Stemma.gif
official_name = Comune di San Pier d'Isonzo
region = Friuli-Venezia Giulia
province = Gorizia (GO)
elevation_m = 18
area_total_km2 = 9
population_as_of = 2001
population_total = 1892
population_density_km2 = 210
timezone = CET, UTC+1
coordinates = coord|45|51|N|13|28|E
frazioni = Cassegliano, San Zanut, Bosegliano
telephone = 0481
postalcode = 34070
gentilic =
saint = Sts. Peter and Paul
day =
mayor = Claudio Bignolin
website =

San Pier d'Isonzo (Bisiaco: "San Piero") is a town in the province of Gorizia, northern Italy, near Turriaco.