Šempeter pri Gorici (pronounced [ʃɛmˈpeːtəɾ pɾi ɡɔˈɾiːtsi] ⓘ or [ʃəmˈpeːtəɾ pɾi ɡɔˈɾiːtsi], also generally known simply as Šempeter; Italian: San Pietro di Gorizia) is a town and the administrative seat of the Municipality of Šempeter-Vrtojba in the Slovene Littoral region of Slovenia.

Through most of its history, it was linked to the town of Gorizia (Slovene: Gorica), which is now in Italy, whence also its name, literally meaning 'St.

Since 1947, it has been gravitating towards the newly established town of Nova Gorica, with which it forms a continuous conurbation.

During World War II, it became an important center of Yugoslav Partisan resistance.

Since the 1970s, the regional Franc Derganc General Hospital of Nova Gorica with a maternity ward has been located in Šempeter.