Katedralen Canyon (71°52′S 6°33′E / 71.867°S 6.550°E / -71.867; 6.550) is an ice-filled canyon with steep rock cliffs indenting the northwest side of Jøkulkyrkja Mountain, in the Mühlig-Hofmann Mountains of Queen Maud Land, Antarctica. It was plotted from surveys and air photos by the Sixth Norwegian Antarctic Expedition (1956–60) and named Katedralen (the cathedral).

 This article incorporates public domain material from "Katedralen Canyon". Geographic Names Information System. United States Geological Survey.