Mortlake is a town in the Western District of Victoria, Australia on the Hamilton Highway, 50 kilometres (31 mi) north-east of Warrnambool. It is in the Shire of Moyne local government area and the federal Division of Wannon. As per the 2001 census, Mortlake had a population of 941, which rose to 996 in 2006, and to 1,073 in 2011.