Paulbreen is a glacier in Oscar II Land at Spitsbergen, Svalbard.
It has a length of about four kilometers and is located at the eastern side of St. Jonsfjorden.
The glacier is surrounded by Vittenburgfjella, and splits the range in a northern and southern part.
The glacier, as well as the surrounding mountain range, is named after Russian paleontologist Paul Vittenburg.
This article about a glacier in Spitsbergen is a stub.