Rundhøi or Rundhøe is a mountain in Lom Municipality in Innlandet county, Norway. The 1822 m tall mountain is located in the Jotunheimen mountains on the border of Jotunheimen National Park. The mountain sits about 36 km southwest of the village of Fossbergom and about 34 km northeast of the village of Øvre Årdal. The mountain is surrounded by several other notable mountains including Kyrkja, Stehøi, and Stetinden to the southeast; Surtningstinden to the south; Storebjørn, Veslebjørn, and Sokse to the southwest; Store Smørstabbtinden and Kniven to the west; and Storbreahøe and Storbreatinden to the northwest.