Heveningham Hall is a Grade I listed building in Heveningham, Suffolk. The first house on the site was built for the politician and regicide William Heveningham in 1658. The present house, dating from 1778 to 1780, was designed by Sir Robert Taylor for Sir Gerald Vanneck, 2nd Baronet with interiors by James Wyatt. The hall remained in the Vanneck family until 1981.
After a period of decline and uncertainty about the future of the hall in the 20th century, it was purchased in 1994 by the billionaire property entrepreneur Jon Hunt. Hunt has since spent considerable sums of money on both the house and ground including the implementation of plans by Capability Brown for 500 acres (200 ha) of parkland and lakes that had never been realised. Various events are now held in the grounds each year, and parts of the grounds are integrated into the adjacent 5,000 acres (2,000 ha) Wilderness Reserve, also owned by Hunt.