Vang is a municipality in Oppland county, Norway. It is part of the traditional region of Valdres. The administrative centre of the municipality is the village of "Vang i Valdres". The municipality of Vang was established on 1 January 1838 (see formannskapsdistrikt).
The municipality (originally the parish) is named after the old Vang farm (Old Norse: Vangr), since the first church was built here. The name is identical with the word vangr which means "field" or "meadow".The coat-of-arms was granted in 1987. It was originally the seal of a medieval nobleman from the district, Sigvat of Leirhol.