Røyknes is a village in Vennesla municipality in Agder county, Norway. The village is located along the west side of the river Otra, about 7.5 km northeast of the village of Skarpengland. The municipal border between Vennesla and Iveland is the river which is adjacent to the village. Røyknes has about 100 inhabitants. Røyknes is also the terminal station of the Setesdal Line heritage railway which runs northwest from the village of Grovane.