The following is a list of rivers in the Marlborough Region. The list is arranged in alphabetical order with tributaries indented under their downstream parent's name. * Awatere River * Blairich River * Cam River * Castle River * Dane River * Kennet River * Hodder River * Shin River * Jordon River * McRae River * Medway River * Penk River * Tone River * Winterton River * Blind (Otūwhero) River * Flaxbourne River * Graham River * * Okaramio River * Ōpaoa River * Fairhall River * Omaka River * Taylor River * Branch River * Te Hoiere / Pelorus River * Rai River * * Opouri River * Tunakino River * Ronga River * Rainy River * Tinline River * Wakamarina River * Waiau Toa / Clarence River * Acheron River * Guide River * Saxton River * Servern River * Alma