The Fassa Valley (Ladin: Fascia, Italian: Val di Fassa, German: Fassatal) is a valley in the Dolomites in Trentino, northern Italy. The valley composes an administrative valley community (Italian: Comunità di valle, German: Talgemeinschaft) of Trentino, known as Fascia (Italian: Region Comun General de Fascia).

The valley is home to much of the Ladin community in Trentino, which makes up the majority of the valley's population.

The municipalities in the valley include (Ladin name):

• Canazei (Cianacei)
• Campitello di Fassa (Ciampedel)
• Mazzin (Mazin)
• San Giovanni di Fassa (Sen Jan)
  • Frazioni: Pozza di Fassa, Vigo di Fassa, Pera di Fassa
• Soraga di Fassa (Soraga)
• Moena (Moena)

• Media related to Fassa Valley at Wikimedia Commons
• Fassa Valley travel guide from Wikivoyage
• Fassa Valley travel guide, on bestmountain.eu

46°27′14″N 11°42′00″E / 46.45389°N 11.70000°E / 46.45389; 11.70000