Vestfold Kollektivtrafikk (VKT) (lit. Vestfold Public Transport) is the public transport administration for the county of Vestfold in Norway. VKT is responsible for planning, organising and marketing bus transport in the county, but does not operate any buses. Instead the operation is done by private companies based on public service obligation contracts or negotiations. VKT is organised as a limited company owned by the county administration. The administration is located in Tønsberg.

Vestfold Kollektivtrafikk AS

Company type	County owned
Industry	Public transport
Founded	17 April 1998
Headquarters	Tønsberg, Norway
Area served	Vestfold
Key people	Erik Gundersen (CEO)
Services	Bus transport
Owners	Vestfold County Municipality
Website	www.vkt.no

VKT organises bus routes managed by 650 buses driving 26 million km per year.