Sankt Pelagiberg is a village in the canton of Thurgau, Switzerland.
The village is located in the former municipality Gottshaus. In 1996, Gottshaus municipality merged with its neighbor to form a new and larger municipality, Hauptwil-Gottshaus.
Coordinates: 47°29′17″N 9°18′2″E / 47.48806°N 9.30056°E