Munglinup River
 The Munglinup River is an ephemeral river in the Goldfields-Esperance region of Western Australia.The headwaters of the river rise near Cheadanup Nature Reserve. It flows in a southerly direction through cleared farmland then crossing the South Coast Highway near the town of Munglinup before discharging into the Oldfield River of which it is a tributary approximately 8 kilometres (5 mi) from the coast.