Dunderdalsbreen is a glacier in Wedel Jarlsberg Land at Spitsbergen, Svalbard. It has a length of about four kilometers, and is located between Konglomeratfjellet and Lifjellet.
Coordinates: 77°22′11″N 14°41′43″E / 77.3697°N 14.6952°E / 77.3697; 14.6952