Rygnestad is a village in Valle municipality in Agder county, Norway.

The village is located along the Norwegian National Road 9 in the Setesdal valley.

The village lies about 1 kilometre (0.62 mi) east of the river Otra in northern Valle, about 8 kilometres (5.0 mi) south of the lake Store Bjørnevatn.

Rygnestad is about 8 kilometres (5.0 mi) north of the village of Valle, the administrative centre of the municipality.

The Rygnestadtunet museum is located just north of the village.