Høydalsmo is a village in Tokke municipality in Telemark county, Norway. It has about 300 permanent residents.
Høydalsmo is known for its skiing facilities. The world's first organized skiing contest, won by Sondre Norheim, was held in Høydalsmo. Høydalsmo hosted the Norwegian cross-country skiing championships in 2002.
The wrestler Gromguten hails from Høydalsmo.
Coordinates: 59°30′2″N 8°11′49″E / 59.50056°N 8.19694°E