Cadoux is a town in the northeastern Wheatbelt region of Western Australia. It is about 180 kilometres (112 mi) northeast of Perth, within the Shire of Wongan-Ballidu.
The townsite was gazetted in 1929 and the railway siding was opened in the same year. It was on the Amery–Kalannie line at 149 miles 49 chains.
The main industry in town is wheat farming with the town being a Cooperative Bulk Handling receival site.