This is the list of rivers situated only in Ontario. This lists includes creekss and tributaries as well.
- Hudson Bay Watershed
- Severn River
- Beaver River
- English River?, The Meadows
- Nagagamisis River, Nagagamisis Lake
- Pagwa River
- Duck Bay,
- Obakamiga River, Rocky Narrows
- Pike Alley
- Fawn River
- Usiske River
- Winisk River
- Albany River
- Kenogami River
- Drowning River
- James Bay Watershed
- Moose River
- Frederick House River
- Abitibi River
- Mattagami River
- Kapuskasing River
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- , Brunswick Lake
- Doherty Creek
- Fire River
- , Brunswick Lake
- Kabinakagami River, Horseback Rapids, The Expansion, Second Gap, Second Rapids
- The Chutes, Lilypad Bay
- Brulé Creek
- Edison Creek
- Woolrich Creek
- Schist Bay
- Whitefish Bay
- Beaver Bay
- Boot Bay
- Bear Creek
- Nameigos River
- Five Mile Creek
- The Chutes, Lilypad Bay
- Torrance Creek
- Hopkins Creek
- Remi River, Remi Lake
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- Kapuskasing River
- Big Island Bay
- Forks River
- Chapleau River
- Groundhog River
- Forks River
- Missinabi River
- Mattawitchewan River, The Chutes)
- Albany Forks
- Cameron Creek
- Oba River, Oba Lake
- Hoodoo Bay
- Albany Forks
- Pivabiska River
- Mattawitchewan River, The Chutes)
- Kesagami River
- Kattawagami River
- Moose River
- Severn River
- Atlantic Ocean Watershed
- Lake Erie Watershed
- Grand River
- Conestoga River
- Speed River
- Conestoga River
- Lake St. Clair Watershed
- Thames River
- Dingman Creek
- Jeanettes Creek
- McGregor Creek
- Medway Creek
- Pottersburg Creek
- Stoney Creek
- Waubuno Creek
- Thames River
- Grand River
- Lake Huron, Georgian Bay, Watershed (in alphabetical order)
- Ausable River
- Bayfield River
- French River
- Lake Nipissing Watershed
- Maitland River
- Moon River (Cottage Country)
- St. Mary's River
- Saugeen River
- Spanish River
- Vermillion River
- Lake Ontario Watershed ( in order of ascent mainly from west to east)
- Niagara River
- Niagara Falls
- Welland River
- Black Creek (Niagara)
- Welland River
- Jordan Harbour Watershed
- Red Hill Creek (Niagara)
- Burlington Bay Watershed
- Sulphur
- Bronte Creek
- Sixteen Mile Creek (Toronto)
- Credit River
- Humber River
- Black Creek (Toronto)
- Emerson Creek
- Jersey Creek
- Rainbow Creek (Woodbridge)
- Robinson Creek (Toronto)
- West Humber River
- East Humber River
- Etobicoke Creek
- Heart Lake (Toronto)
- Mimico Creek
- Toronto Harbour
- Don River, Toronto
- west branch Don River
- Taylor Creek
- east branch Don river
- Beaver Creek (Toronto)
- Don River, Toronto
- Highland Creek
- Rouge River
- Duffins Creek
- Trent-Severn Waterway
- Trent River
- Crowe River
- Moira River
- Rice Lake Watershed
- Otonabee River
- Lake Chemong Watershed
- Lake Simcoe Watershed
- Holland River
- Severn River
- Trent River
- Cataraqui River
- Lake Superior Watershed
- Pigeon River
- Arrow River
- Pine River
- Lake of the Woods Watershed
- Rainy River
- Kaministiquia River
- Mission River
- McKellar River
- Whitefish River
- Shebandowan River
- Neebing River
- McIntyre River
- Current River
- Nipigon River
- Lake Nipigon Watershed
- Ogoki River
- Kopka River
- Ombabika River
- Lake Nipigon Watershed
- Steel River
- Pic River
- White River
- Pukaskwa River
- Magpie River
- Agawa River
- Montreal River
- Batchawana River
- Pigeon River
- Ottawa River Watershed
- Ottawa River
- Petawawa River
- Nipissing River
- Barron River
- Chalk River
- Bonnechere River
- Madawaska River
- Mississippi River
- Carp River
- Clyde River
- Rideau River
- Jock River
- Tay River
- South Nation River
- Castor River
- Petawawa River
- Mattawa River
- Amable du Fond River
- Ottawa River
- Saint Lawrence River Watershed
- Saint Lawrence River
- Raisin River
- Lake Erie Watershed
Rivers
Alphabetical List (excluding lakes)
Creeks
Bronte Creek