Kviteseid is a municipality in Telemark county, Norway. It is part of the traditional region of Vest-Telemark. The administrative centre of the municipality is the village of Kviteseid. The parish of Hvideseid was established as a municipality on 1 January 1838 (see formannskapsdistrikt). The main industries of the municipality are forestry, agriculture, tourism, and hydroelectric power. The Telemark Canal goes through Kviteseid. There are also several ski resorts in Kviteseid. Vrådal is one of them.