Re is a municipality in Vestfold county, Norway. The administrative centre of the municipality is the village of Revetal. The municipality was established in 2002 by the unification of the former municipalities of Ramnes and Våle. It includes the villages of Ramnes, Våle, Undrumsdal, Fon, Vivestad (and Revetal). The river Aulielva runs through the district.
The coat-of-arms is from modern times. They were granted in August 2001. It was designed by Arvid Steen. It shows a gold-colored five point design on a green shield. The five points represent the five parishes in the municipality. The design has a long history in the area. The green was chosen to represent nature and agriculture and the gold was chosen because it goes well with green.