Eydehavn or Eydehamn is a village in the municipality of Arendal in Agder county, Norway.

The village is located about 10 kilometres (6.2 mi) northeast of the centre of the town of Arendal, about 2 kilometres (1.2 mi) northeast of the village of Saltrød, about 2 kilometres (1.2 mi) south of the village of Strengereid, and just across the Tromøysundet strait from Kongshamn on the island of Tromøy.

The village is named after Sam Eyde, the Norwegian engineer and industrialist.

In 1919, when a new municipality; Stokken was created, the village of Eydehavn was chosen to be the administrative centre.

Eydehavn was chosen to be the administrative centre of Moland.