Melksham House is a Grade II listed house, situated 150 metres west of the Market Place in the town of Melksham, Wiltshire, England. The house was built between the 17th and early 18th century, although records show a building on this site since about 1608. In 1699 Richard Coxeter sold the property to Sir Walter Long, after which time various replacements and extensions were added over the years, while the house continued in the ownership of the Long family.