Bengtssenbukta is a bay at the northern side of Nordaustlandet, Svalbard. It is a western branch of Rijpfjorden. The glacier Rijpbreen debouches into the bay. The bay is named after trapper Karl J. Bengtssen.
Coordinates: 80°07′51″N 21°40′45″E / 80.1309°N 21.6791°E