Usherbreen is a glacier in Sabine Land at Spitsbergen, Svalbard. It has a length of about 9.5 kilometers, and is located between Kroghfjellet and Domen. Usherbreen is a tributary glacier to Nordmannsfonna, and debouches towards Storfjorden. It is named after Scottish businessman Thomas Leslie Usher.
- "Usherbreen (Svalbard)". Norwegian Polar Institute. Retrieved 17 January 2014.