Petit-Vivy Castle is a castle in the former municipality of Barberêche (now part of Courtepin) in the Canton of Fribourg in Switzerland.

It is a Swiss Heritage Site of National Significance.

[1] It is located near the dike surrounding the Schiffenensee and northeast of Barberêche.

The still-preserved, mighty, four-sided keep was built in the second half of the 13th century, and has 3.5 m (11 ft) thick walls.

Around the keep are the remains of former surrounding walls, arranged in triangular form.