Aavatsmarkbreen is a glacier in Oscar II Land at Spitsbergen, Svalbard.

It is named after politician and military officer Ivar Aavatsmark.

The glacier debouches into Forlandsundet, in the bay of Hornbækbukta.

[1][2][3] At the southern side of the glacier, between Aavatsmarkbreen and Kaffiøyra, is the mountain range of Prins Heinrichfjella.

This article about a glacier in Spitsbergen is a stub.