Seljord is the administrative centre of Seljord Municipality in Telemark county, Norway. The village is located along the European route E134 highway, on the north end of the lake Seljordsvatn. It is located about to the northeast of Kviteseidbyen, about south of Flatdal, and about southeast of ÃÂ motsdal.
The village has a population (2022) of 1,415 and a population density of .
The Mælefjell Tunnel is located just a short distance north of the village. Seljord Church is also located in the village. The village is also the site of the Seljord folk high school, one of three of these schools in Telemark.