Sassenfjorden is a part of Isfjorden at Spitsbergen, Svalbard, in between Bünsow Land and Nordenskiöld Land. The inner branch of Sassenfjorden is named Tempelfjorden.
Coordinates: 78°25′15″N 15°55′09″E / 78.42083°N 15.91917°E / 78.42083; 15.91917