Vestfold og Telemark County Municipality (Norwegian: Vestfold og Telemark fylkeskommune) was the democratically elected regional governing administration of Vestfold og Telemark county in Norway. The main responsibilities of the county municipality included the overseeing the county's 21 upper secondary schools, county roadways, public transport, dental care, culture, and cultural heritage.

The Vestfold og Telemark county council (Norwegian: Fylkestinget) was made up of 61 representatives that are elected every four years. The council essentially acted as a Parliament or legislative body for the county and it met about six times each year. The council was divided into standing committees and an executive board (fylkesutvalg) which met considerably more often. Both the council and executive board were led by the county mayor (fylkesordfører).

The party breakdown of the council was as follows: