William Heritage Winery (formerly known as Heritage Vineyards) is a winery in the Mullica Hill section of Harrison Township in Gloucester County, New Jersey. A family produce farm since 1853, the vineyard was first planted in 1998, and opened to the public in 2002. Heritage is one of the larger winegrowers in New Jersey, having 40 acres of grapes under cultivation, and producing 13,000 cases of wine per year. The winery is named after the family that owns it.