Gudbrandsdal is long valley in northern Oppland, Norway. An ancient region it includes the parishes and/or clerical districts of Dovre, Nord-Fron, Sør-Fron, Lesja, Lom, Skjåk, Vågå, Fåberg, Vestre Gausdal, Østre Gausdal, Lillehammer, Ringebu, and Øyer.

It is north of Oslo/Kristiania.

Frøya and Hitteren are in entirely different parts of Norway.