Pozza di Fassa (Ladin: Poza (de Fascia), ) is a frazione of Sèn Jan di Fassa in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about northeast of Trento. As of 31 December 2004, it had a population of 1,867 and an area of .
The frazione of Pozza di Fassa contains the frazioni (subdivisions, mainly villages and hamlets) Pera di Fassa and Monzon.
Pozza di Fassa borders the following municipalities: Canazei, Tiers, Mazzin, Welschnofen, Rocca Pietore, Vigo di Fassa, Moena and Soraga.
In the census of 2001, 1,587 inhabitants out of 1,787 (88.8%) declared Ladin as their native language.