Krok Fjord () is a narrow sinuous fjord, 11 nautical miles (20 km) long, between Mule Peninsula and Sorsdal Glacier Tongue, at the south end of the Vestfold Hills. Mapped from air photos taken by the Lars Christensen Expedition (1936–37) and named Krokfjorden (the crooked fjord).
This article incorporates public domain material from the United States Geological Survey document "Krok Fjord" (content from the Geographic Names Information System).