Bill Moularadellis (born 1964) is an Australian winemaker and is the son of Greek emigrates Sarantos and Constantina Moularadellis. Bill Moularadellis is the founder and Managing Director of Kingston Estate, which is a South Australian Riverland based winery and in 2011 was elected on to the board of Wine Australia Corporation in the capacity of Non-Executive Member. Bill has held a number of positions in various wine industry bodies. These include President of the Riverland Winemakers Association and member of Horticulture Industry Development Board (1998–1999).