Moriac is a town in Victoria, Australia, located approximately 22 kilometres (14 mi) west of Geelong. It forms part of the Surf Coast Shire. At the 2016 census, Moriac had a population of 782. A Post Office opened on 1 August 1854 as Duneed, was renamed Mount Moriac in 1864, and Moriac in about 1909. The railway through Moriac opened in 1876, followed by the Wensleydale branch line which junctioned with the main line just past Moriac. The branch line opened in 1890 and closed in 1948. Moriac railway station was closed in October 1981.