Norðradalur is a small village situated on the western coast of Streymoy, an island in the Faroe Islands. It is located within the Tórshavn Municipality and carries the postal code FO 178.
The village is characterized by its geographical setting in a large valley surrounded by steep cliffs and the ocean. From this location, residents have views overlooking Koltur. As of 2015, the population of Norðradalur was 15.