Arniston may refer to: Arniston, Midlothian, a village in Scotland Arniston House, an 18th-century country house in Scotland Arniston Rangers F.C., a Scottish junior football club Arniston, Western Cape, a small seaside settlement also known as Waenhuiskrans, South Africa Arniston (ship), an East Indiaman ship wrecked in 1815
See also Robert Dundas, of Arniston, the elder (1685–1753), Scottish judge Robert Dundas, of Arniston, the younger (1713–1787), Scottish judge Robert Dundas of Arniston (1758–1819), Scottish judge