Yli is a village in Notodden Municipality in Telemark county, Norway. The village is located about 5 km to the west of the town of Notodden and about 3 km to the southeast of the village of Heddal. The river Heddøla flows past the village just before emptying into the lake Heddalsvatnet about 1.5 km east of the village. The 0.24 km2 village has a population (2022) of 291 and a population density of 1198 PD/km2. Notodden Airport and the European route E134 highway are both located just north of the village.