Ouyen is a town in Victoria, Australia, located at the junction of the Calder Highway and Mallee Highway, 107 kilometres south of Mildura, 457 kilometres north-west of Melbourne, in the Rural City of Mildura.
At the 2001 census the town had a population of 1,155. The area was originally occupied by the Wergaia Aborigines. The name is believed to be is derived from the Wergaia word ‘wuya-wuya’, which some believe means ‘pink-eared duck’, whilst other claim it means ‘ghost waterhole’.
Ouyen is the commercial and transport centre for the surrounding grain farming region. Trucks arrive at harvest time to transport grain to Portland for shipping, or to flour mills for processing.