Skjelstadmarka is a village in the municipality of Stjørdal in Trøndelag county, Norway. It is located in the central part of the municipality, about 12 kilometres (7.5 mi) northeast of the town of Stjørdalshalsen, about 5 kilometres (3.1 mi) north of the village of Hegra, and about 10 kilometres (6.2 mi) east of the mountain Forbordsfjellet. The village is the location of Okkelberg Chapel.