Bjelland og Grindum or Bjelland og Grindheim is a former municipality in the old Vest-Agder county, Norway. The administrative centre of the municipality was the village of Bjelland where Bjelland Church is located. The 294-square-kilometre (114 sq mi) municipality existed from 1838 until 1902. It was located in the Mandalen valley in the northern parts of the present-day municipalities of Lyngdal and Lindesnes in what is now Agder county.