Dersingham is a village, civil parish and electoral ward in the English county of Norfolk. It is situated some 12 kilometres (7.5 mi) north of the town of King's Lynn and 70 km (43 mi) north-west of the city of Norwich, opening onto The Wash. The villages name means 'Homestead/village of Deorsige's people'. The civil parish has an area of 14.5 km2 (5.6 sq mi) and in the 2001 census had a population of 4,502 in 2,110 households, the population increasing to 4,640 at the 2011 Census. For the purposes of local government, the parish falls within the district of King's Lynn and West Norfolk.