Watchem is a town in north western Victoria, Australia. The town is in the Shire of Buloke local government area and on the Sunraysia Highway, 307 kilometres (191 mi) north west of the state capital, Melbourne and 35 kilometres (22 mi) from nearby Donald. At the 2011 census, Watchem and the surrounding area had a population of 454.
Watchem has a thriving lake based within walking distance from the town centre. The Watchem lake is beautiful with its rural and tranquil setting.
The Post Office opened on 2 November 1889.
With its neighbouring township Birchip, Watchem has a football team (Birchip-Watchem) competing in the North Central Football League.