Krossen is a village in Lindesnes municipality in Agder county, Norway. The village is located in the Mandalen valley, on the western shore of the river Mandalselva, about 10 km north of the town of Mandal and about 9 km south of the village of Øyslebø. The village (also known as Holum) was the administrative centre of the old municipality of Holum which existed from 1838 until its dissolution in 1964. Holum Church, built in 1825, is located in Krossen. The 0.48 km2 village has a population (2019) of 620 and a population density of 1301 PD/km2.