Kollhøin is a mountain in Vågå Municipality in Innlandet county, Norway. The 1925 m tall mountain is located in the Jotunheimen mountains within Jotunheimen National Park. The mountain sits about 43 km southwest of the village of Vågåmo and about 35 km northwest of the village of Beitostølen. The mountain is surrounded by several other notable mountains including Nautgardstinden to the northeast, Styggehøi to the northwest, Surtningssue to the west, Gloptinden to the southwest, Besshø to the south, and Besseggen and Veslfjellet to the southeast.