The coat of arms of Vestfold alludes to the tradition of the ancient Norwegian Royal house of Yngling originated in Vestfold. [1] It is a golden medieval cloverleaf crown on red background. It was created by Hallvard Trettebærg and approved on 30. January 1970.
The current coat of arms is a redesigned version of the coat of arms for Vestfold from 1970 until the merger with Telemark in 2020.[2]