Lake King is a town in the eastern Wheatbelt region of Western Australia, 464 kilometres (288 mi) from Perth along State Route 40 between Kelmscott and Ravensthorpe. As of 2016, the town had a population of 95. The 2011 census recorded both the population of the town and the surrounding area for a population of 332. Lake King is named after a nearby lake which in turn was named after the Surveyor General of Western Australia, , by Marshall Fox, District Surveyor (Narrogin). The Lake King Progress Association lobbied the government to declare a townsite in 1935 and the town was gazetted in 1936.