Stilfs (; ) is a comune (municipality) in the province of South Tyrol in northern Italy. It is located near the northern ramp of the eponymous Stelvio Pass.
The municipality of Stilfs contains the frazioni (subdivisions, mainly villages and hamlets) of Sulden, Trafoi, Gomagoi.
The emblem shows an or disc on sable background; inside the disc is a six leaves star of azure, vert and gules alternating. The star symbolizes an ancient nightly custom in wintertime. The emblem was granted in 1969.
According to the 2024 census, 97.45% of the population speak German, 2.44% Italian and 0.10% Ladin as first language.