Euston is a small town on the banks of the Murray River, southern New South Wales, Australia in Balranald Shire. The twin town of Robinvale is on the other side of the river in the state of Victoria.
Euston belongs to the traditional lands of the Tati Tati Aboriginal people.
At the 2011 census, Euston had a population of 795 people. Until the irrigation development at Robinvale Euston was the main town in the area. A Post Office opened on 1 May 1852. It closed in 1853, then reopened in 1856.