Manjimup is a town in Western Australia, 307 kilometres (191 mi) south of the state capital, Perth. The town of Manjimup is a regional centre for the largest shire in the South West of Western Australia. At the 2006 census, Manjimup had a population of 4,239.
Manjimup was named for the Noongar Aboriginal words "Manjin" (a broad-leafed edible reed) and "up" (meeting place, or place of). Manjimup was first settled in 1856 by timber cutter Thomas Muir. It was declared a town in 1910, and a railway from Perth was completed in 1911.