Neslandsvatn is a village in Drangedal Municipality in Telemark county, Norway.

The village is located along the small lake Neslandsvatnet, about 16 kilometres (9.9 mi) to the southeast of the village of Prestestranda.

The village of Henseid is located about 12 kilometres (7.5 mi) to the northeast, across the large lake Toke.

Kroken Church is located about 3 kilometres (1.9 mi) to the southwest of the village.

[1] The village has a station on the Sørlandsbanen railway line.