The Ovide River is a tributary of rivière à l'Ours, flowing successively in the unorganized territory of Lac-Ashuapmushuan, in the municipalities of Sainte-Hedwidge and Saint-Prime, in the Le Domaine-du-Roy Regional County Municipality, in the administrative region of Saguenay–Lac-Saint-Jean, in the province of Quebec, in Canada.

The surface of the Ovide River is usually frozen from the beginning of December to the end of March, except the rapids areas; however, safe traffic on the ice is generally from mid-December to mid-March.

The Ovide river draws its source from a wild lake (length: 0.22 km (0.14 mi); altitude: 303 m (994 ft)) unidentified, surrounded by marshes, in the Zec de la Lièvre in the unorganized territory of Lac-Ashuapmushuan.

The mouth of this small lake is located at: From the mouth of the head lake, the Bear River flows over 12.7 km (7.9 mi) with a drop of 125 m (410 ft) especially in forest areas, according to the following segments : The Ovide River flows into a bend on the southeast bank of the rivière à l'Ours, just downstream from a series of rapids.

The toponym "Ovide River" was formalized on May 11, 1976, at the Place Names Bank of the Commission de toponymie du Québec.