This is a partial list of rivers in the state of Maine in the United States.

The list is organized by tributary structure, from north to south along the coast.

• St. John River
  • Allagash River
  • Aroostook River
• Machias River
  • East Machias River
• St. Croix River
• Pleasant River
• Narraguagus River
• Penobscot River
  • Passadumkeag River
  • Mattawamkeag River
    • Molunkus River
  • Piscataquis River
• Kennebec River
  • Sebasticook River
  • Androscoggin River
• Fore River
• Saco River
• Kennebunk River
• Piscataqua River
  • Salmon Falls River