Vaie ( Piedmontese and Franco-Provençal Vaje or Vàjes, French Vaye ) is a municipality with 1423 inhabitants ( 31 December 2012) in the Italian province of Turin (TO ), Region Piedmont.

Vaie is a member of the mountain commune Comunità Montana Bassa Valle di Susa and Val Cenischia. The neighboring municipalities are Condove Sant'Antonino di Susa, Chiusa di San Michele and Coazze.

The municipality covers an area of 7 km ².