Rivière-Ojima is an unorganized territory in the Abitibi-Témiscamingue region of Quebec, Canada. It consists of two non-contiguous areas in the Abitibi-Ouest Regional County Municipality, separated by the municipality of Authier-Nord. The communities of Languedoc (48°48′26″N 78°41′48″W / 48.80722°N 78.69667°W) and Saint-Eugène-de-Chazel (48°57′06″N 78°58′38″W / 48.95167°N 78.97722°W) are located within its boundaries.