Comfortlessbreen is a glacier in Oscar II Land at Spitsbergen, Svalbard. It has a length of about fourteen kilometers, and a maximum width of three kilometers. The glacier debouches into Engelskbukta, after a merge with Uvêrsbreen. Comfortlessbreen is separated from Uvêrsbreen by the mountain range of Trondheimfjella (with Domkyrkja in the west).
Coordinates: 78°46′N 12°08′E / 78.76°N 12.14°E