Inconnue River may refer to:
*
Inconnue River (rivière des Perdrix tributary)
The Inconnue River (''in French: rivière Inconnue'') flows in the municipalities of Cap-Saint-Ignace and Notre-Dame-du-Rosaire, in the Montmagny Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in ...
, Chaudière-Appalaches, Quebec, Canada
*
Inconnue River (Maicasagi River tributary), Nord-du-Québec, Quebec, Canada
{{geodis