Woorinen South is a town in Victoria, Australia. It is situated within the Rural City of Swan Hill within the Mallee region of north-west Victoria. At the 2011 census, Woorinen South had a population of 311. The town is located 350 kilometres (217 mi) north-west of Melbourne and 10 kilometres (6 mi) km north-west of the regional centre Swan Hill. The town contains a number of small businesses and is in the centre of a prosperous and diverse agricultural area which produces wine, stone fruit, vegetables, wool, and cereal crops.