Galdhøi is a mountain in Lom Municipality in Innlandet county, Norway. The 2282 m tall mountain is located in the Jotunheimen mountains within Jotunheimen National Park. The mountain sits about 23 km southeast of the village of Fossbergom and about 48 km northeast of the village of Øvre Årdal. The mountain is surrounded by several other notable mountains including Juvvasshøi and Store Lauvhøi to the northeast, Glittertinden to the east, Galdhøpiggen to the southwest, and Storhøi to the northwest.