Sysselmannbreen is a glacier in Nathorst Land at Spitsbergen, Svalbard. It has a length of about eleven kilometers, and extends southwestwards from the mountain of Kvitskarvet to the valley of Steenstrupdalen. The mountain of Marlowfjellet separates Sysselmannbreen from Steenstrupbreen.
Coordinates: 77°37′12″N 16°03′58″E / 77.620°N 16.066°E