Iandra (colloquially known as Iandra Castle) is a large heritage-listed homestead 11 kilometres (6.8 mi) south of Greenethorpe, in the Weddin Shire, New South Wales, Australia. The property was added to the New South Wales State Heritage Register on 18 February 2005. The homestead is a former Methodist Boys' home and working farmland. It was designed by an unnamed English architect, built by Edward Giles Stone, in association with Ellen Greene, the owner's wife, and was built between 1880 and 1910. The homestead is also known as The Castle and Mount Oriel homestead.