Düdingen (German: [ˈdyːdɪŋən]; French: Guin [ɡɛ̃]; Arpitan: Duens, locally Dyin [ɟɛ̃] ) is a municipality in the district of Sense in the Canton of Fribourg in Switzerland . It is one of the municipalities with a large majority of German speakers in the mostly French speaking Canton of Fribourg.

Düdingen is first mentioned in 1180 as Doens. In 1258 it was mentioned as Tiudingen and in 1414 as Dyung.

Düdingen has an area of 30.76 km2 (11.88 sq mi). Of this area, 20.78 km2 (8.02 sq mi) or 67.5% is used for agricultural purposes, while 4.08 km2 (1.58 sq mi) or 13.3% is forested.