Kviteseid is a municipality in Telemark in the county of Vestfold og Telemark in Norway. It is part of the traditional region of Upper Telemark and 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). Kviteseid Seminar was the first public school which started in 1819 and was in operation until 1889. Kviteseid Library ("Kviteseid Folkebibliotek") was founded in 1895. The library was first based on a book collection from Kviteseid Seminar.