Tuddal is a village in Hjartdal Municipality in Telemark county, Norway. The village is located in the Tuddalsdalen valley, about 20 km to the north of the village of Sauland and about 17 km to the south of the town of Rjukan. County road 3430 runs from Sauland, through Tuddal, and further north along the mountain Gaustatoppen and to Rjukan. The highest point along the road reaches 1260 m above sea level. In the center of the village is Tuddal Church from 1796. In addition to this, there are many older and preserved farm buildings in the village too. Tuddal has many holiday cabins and great tourism, including the Tuddal Hotel.