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

• Kaituna River
  • Okaramio River

• Ōpaoa River
  • Fairhall River
  • Omaka River
  • Taylor River
    • Branch River

• Te Hoiere / Pelorus River
  • Rai River
    • Brown 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 River
    • Yarra River
  • Dillon River
  • Gloster River
  • Hossack River
  • Tweed River

• Waima River

• Wairau River
  • Branch River
    • Leatham River
  • Goulter River
  • Hamilton River
  • Marchburn River
  • Ōhinemahuta River
  • Tuamarina River
  • Waihopai River
    • Avon River
      • Teme River
      • Tummil River
    • Spray River
  • Waikakaho River
  • Wye River

This list is incomplete; you can help by adding missing items. (February 2011)