Steenstrupbreen is a glacier in Nathorst Land at Spitsbergen, Svalbard. It has a length of about 8.5 kilometers, and is situated northeast of the valley of Steenstrupdalen. The glacier is named after Danish geologist and Arctic explorer Knud Johannes Vogelius Steenstrup.[1] [2] The mountain of Marlowfjellet separates Steenstrupbreen from Sysselmannbreen.[3]