Dyrtjørnhøi is a mountain in Vågå Municipality in Innlandet county, Norway. The 1687 m tall mountain is located in the Jotunheimen mountains on the east side of the Sjodalen valley. The mountain sits about 32 km south of the village of Vågåmo and about 40 km north of the village of Beitostølen. The mountain is surrounded by several other notable mountains including Gravdalsknappen and Ingulssjøhøi to the southwest, Besshø and Besseggen to the west, and Nautgardstinden to the northwest.