Mjogsjøhøi is a mountain in Lesja Municipality in Innlandet county, Norway. The 1837 m tall mountain lies within Dovrefjell-Sunndalsfjella National Park, about 18 km northeast of the village of Lesja. The mountain is surrounded by several other mountains including Drugshøi which is about 7 km to the north, Storstyggesvånåtinden which is about 8 km to the north-northeast, Skredahøin which is about 5 km to the east, Mjogsjøoksli which is 4 km to the south, Hatten which is about 6 km to the southwest, Sjongshøi which is about 9 km to the west, and Vesltverråtinden and Stortverråtinden which are about 8 km to the northwest.