Nailsea Court in Nailsea, Somerset, England, is an English manor house dating from the 15th century. Pevsner describes the house as "historically highly instructive and interesting" and it is a Grade I listed building.

Nailsea is a town in North Somerset, England, 8 miles (13 km) southwest of Bristol, and 11 miles (18 km) northeast of Weston-super-Mare. The nearest village is Backwell, which lies south of Nailsea on the opposite side of the Bristol to Exeter railway line. Nailsea had a population of 15,630 in the 2011 Census.