These are the rivers of Ecuador. This listing is arranged by where the river drains. Tributaries are indented under each larger stream's name.

Atlantic Ocean

• Amazon River (Brazil, Peru)
  • Putumayo River
    • San Miguel River
  • Napo River
    • Curaray River
      • Cononaco River
    • Aguarico River
      • Cuyabeno River
    • Yasuní River
    • Tiputini River
    • Coca River
    • Payamino River
  • Marañón River (Peru)
    • Tigre River
      • Corrientes River
      • Conambo River
      • Pintoyacu River or Pindoyacu
    • Pastaza River
      • Huasaga River
      • Bobonaza River
      • Palora River
      • Chambo River
      • Ambato River
        • Cutuchi River
      • Cebadas River
    • Morona River
      • Cangaime River
        • Macuma River
    • Santiago River
      • Yaapi River
      • Upano River
        • Paute River
          • Matadero River or Cuenca
            • Machángara River
            • Tomebamba River
            • Tarqui River
            • Yanuncay River
      • Zamora River
    • Chinchipe River

Pacific Ocean

• Mira River
  • San Juan River
    • Carchi River
  • Chota River
• Cayapas River
  • Santiago River
  • Onzole River
• Muisne River
• Cojimies River
• Esmeraldas River
  • Guayllabamba River
    • Machángara River
  • Blanco River
    • Toachi River
  • Quininde River
• Jama River
• Chone River
  • Carrizal River
• Portoviejo River
• Jipijapa River
• Guayas River
  • Taura River
  • Daule River
    • Pula River
    • Magro River or Pedro Carbo
    • Colimes River
      • Boqueron River
    • Puca River
    • Congo River
  • Babahoyo River
    • Yaguachi River
      • Milagro River
      • Chimbo River
      • Chanchán River
    • Vinces River
      • Palenque River
    • Catarama River
      • Zapotal River
    • San Pablo River
• Cañar River
• Balao River
• Jubones River
• Arenillas River
• Zarumilla River
• Tumbes River
  • Puyango River
• Chira River
  • Catamayo River
    • Calvas River