List of rivers of Maine

The following is a list of rivers in Maine, by region:

Saint John River

• Saint John River
  • Northwest Branch Saint John River
    • Daaquam River
  • Southwest Branch Saint John River
    • Little Southwest Branch Saint John River
    • Baker Branch Saint John River
  • Big Black River
    • Shields Branch
      • Little Saint Roch River
  • Little Black River
    • West Branch Little Black River
    • Campbell Branch Little Black River
  • Allagash River
  • St. Francis River
  • Fish River
    • Red River
    • Birch River
      • North Branch Birch River
      • South Branch Birch River
    • Little River
  • Aroostook River
    • St. Croix Stream
      • Blackwater River
        • North Branch Blackwater River
        • South Branch Blackwater River
    • Machias River
      • South Branch Machias River
    • Little Machias River
    • Little Madawaska River
  • River De Chute
  • Meduxnekeag River
    • South Branch Meduxnekeag River
    • North Branch Meduxnekeag River

Down East

• St. Croix River
  • Little River
• Little River
• Pennamaquan River
• Hardscrabble River
• Dennys River
• Orange River
• Machias River
  • West Branch Machias River
  • Crooked River
  • Middle River
  • East Machias River
    • Maine River
• Englishman River
• Chandler River
  • East Branch Chandler River
• Sandy River
• Indian River
  • Southwest Branch Indian River
• West River
• Pleasant River
  • Western Little River
  • Little River
  • West Branch Pleasant River
• Harrington River
• Mill River
• Narraguagus River
  • West Branch Narraguagus River (Hancock County, Maine)
  • Little Narraguagus River
  • West Branch Narraguagus River (Cherryfield, Maine)
    • Spring River
• Skillings River
• Jordan River
• Union River
  • East Branch Union River
    • Bog River
    • Middle Branch Union River
  • West Branch Union River
  • Little Bog River
• Benjamin River

Penobscot Bay

• Bagaduce River
• Penobscot River
  • East Branch Penobscot River
    • Seboeis River
      • Little Seboeis River
  • West Branch Penobscot River
    • North Branch Penobscot River
    • South Branch Penobscot River
  • Passadumkeag River
    • East Branch Passadumkeag River
    • West Branch Passadumkeag River
  • Mattawamkeag River
    • East Branch Mattawamkeag River
    • West Branch Mattawamkeag River
    • Molunkus River
  • Piscataquis River
    • East Branch Piscataquis River
    • West Branch Piscataquis River
    • Sebec River
    • Pleasant River
      • East Branch Pleasant River
        • Middle Branch Pleasant River
      • West Branch Pleasant River
  • Stillwater River
  • North Branch Marsh River
  • South Branch Marsh River
  • Orland River
    • Narramissic River
      • Dead River
• Passagassawakeag River
  • Goose River
• Little River
• Ducktrap River
• Megunticook River
• Goose River

Mid Coast

• Weskeag River
• Saint George River
  • Dead River
  • Back River
  • Oyster River
    • West Branch Oyster River
    • East Branch Oyster River
  • Mill River
• Meduncook River
  • Back River
• Medomak River
  • Back River
  • Goose River
• Pemaquid River
• Johns River
  • Eastern Branch Johns River
  • North Branch Johns River
• Damariscotta River
  • Little River
• Sheepscot River
  • West Branch Sheepscot River
  • Marsh River
• Little River

Kennebec River

• Kennebec River
  • Moose River
    • South Branch Moose River
      • East Branch Moose River
      • West Branch Moose River
  • Roach River
  • Dead River (also called West Branch)
    • North Branch Dead River
    • South Branch Dead River
  • Carrabassett River
    • South Branch Carrabassett River
    • West Branch Carrabassett River
  • Sandy River
    • South Branch Sandy River
  • Sebasticook River
    • East Branch Sebasticook River
  • Little River
  • Eastern River
    • East Branch Eastern River
    • West Branch Eastern River
  • Abagadasset River
  • Androscoggin River
    • Rapid River
      • Cupsuptic River
        • East Branch Cupsuptic River
        • Little East Branch Cupsuptic River
      • Kennebago River
      • Rangeley River
    • Magalloway River
      • Second East Branch Magalloway River
      • West Branch Magalloway River
        • Third East Branch Magalloway River
      • First East Branch Magalloway River
      • Little Magalloway River
        • Middle Branch Little Magalloway River
        • West Branch Little Magalloway River
    • Dead Cambridge River
      • Swift Cambridge River
    • Wild River
    • Pleasant River
      • East Branch Pleasant River
      • West Branch Pleasant River
    • Alder River
    • Sunday River
      • South Branch Sunday River
    • Bear River
    • Ellis River
      • West Branch Ellis River
    • Concord River
    • Swift River
      • West Branch Swift River
      • East Branch Swift River
    • Webb River
    • Dead River
    • Nezinscot River
      • East Branch Nezinscot River
      • West Branch Nezinscot River
    • Sabattus River
      • Dead River
    • Little Androscoggin River
      • Sanborn River
    • Little River
    • Muddy River
    • Cathance River
  • Cross River
  • Back River

Southern Maine

• Morse River
• Sprague River
• New Meadows River
• Little River
• Harraseeket River
• Royal River
  • Cousins River
• Presumpscot River
  • Tenny River
  • Songo River
    • Bear River
    • Crooked River
  • Muddy River
  • Northwest River
  • Sticky River
  • Pleasant River
  • Little River
    • North Branch Little River
  • Piscataqua River
    • East Branch Piscataqua River
• Fore River
  • Stroudwater River
    • South Branch Stroudwater River
• Spurwink River
• Scarborough River
  • Dunstan River
  • Nonesuch River
  • Libby River
• Saco River
  • Old Course Saco River
    • Charles River
      • Cold River
        • Mad River
          • Middle Branch Mad River
          • South Branch Mad River
        • Little Cold River
    • Kezar River
  • Little Saco River
  • Shepards River
  • Tenmile River
    • West Branch Tenmile River
  • Ossipee River
    • South River
    • Little River
  • Little Ossipee River
• Little River
• Batson River
• Kennebunk River
• Mousam River
  • Middle Branch Mousam River
    • Littlefield River
• Little River
  • Merriland River
• Webhannet River
• Ogunquit River
• Josias River
• Cape Neddick River
• Little River
• York River
• Piscataqua River
  • Salmon Falls River
    • Little River
    • Great Works River
      • Neoutaquet River