Woori Yallock is a town in Victoria, Australia, 56 kilometres east of Melbourne's central business district, located within the Shire of Yarra Ranges local government area. Woori Yallock recorded a population of 2,964 at the 2021 census. The Post Office opened on 1 July 1886 as Woori Yalloak, changing its name to the current spelling around 1911.