Ashby de la Zouch Castle is in the town of Ashby-de-la-Zouch, Leicestershire, England. The ruins are a Grade I listed building and a Scheduled Ancient Monument. It is managed by English Heritage.
It originated as a Norman fortified manor house in the 12th century founded by Alain de Parrhoet, la Zouch. During the next three centuries it was extended. In 1464 it was granted by Edward IV to William, Lord Hastings who converted it into a castle.