This is a list of rivers in Uruguay. Tributaries are indented under each larger stream's name. All rivers in Uruguay drain to the Atlantic Ocean.

• Río de la Plata
  • Uruguay River
    • San Salvador River
    • Río Negro
      • Arroyo Grande
      • Yí River
        • Porongos River
        • Chamangá River
      • Tacuarembó River
        • Caraguatá River
    • Queguay Grande River
      • Queguay Chico River
    • Daymán River
    • Arapey Grande River
      • Arapey Chico River
    • Cuareim River
  • San Juan River
  • Rosario River
  • Santa Lucía River
    • San José River
      • Santa Lucía Chico
• Lagoa Mirim
  • San Luis River
  • Arroyo de la India Muerta
  • Cebollatí River
    • Olimar Grande River
      • Olimar Chico River
  • Tacuarí Tiver
  • Yaguarón River