Caselette is a town and comune in the Metropolitan City of Turin, in the Piedmont region of northern Italy. It is located at the entrance of the Val di Susa, 18 kilometres from Turin, at the foot of Monte Musinè. It is home to the Castle of the Cays Count, which is currently owned by the Salesians. Rock carvings of uncertain origin and the remains of a Roman villa have been found in the vicinity, on Mount Musinè.