Structural measurements of brittle faults onshore Bjørnøya acquired in september 2016. The dataset includes field notes of the author and files with fracture surface (using right-hand rule method) measurements within -all rocks and formations on the island -basement rocks -Late Devonian Røedvika Formation -Mississippian Nordkapp Formation -Pennsylvanian Landnøringsvika Formation -Pennsylvanian Kapp Kåre Formation -Pennsylvanian to early Permian Kapp Duner Formation -mid-Permian Miseryfjellet Formation The dataset also includes slickenside lineation along faults within the -Røedvika Formation -Nordkapp Formation -Landnøringsvika Formation -Kapp Duner Formation. The findings are described in Koehl