G.-Oscar-Villeneuve Ecological Reserve

{{Infobox Protected area

| name = G.-Oscar-Villeneuve Ecological Reserve

| iucn_category = Ia

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| location = Mont-Valin, Le Fjord-du-Saguenay Regional County Municipality, Québec, Canada

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| established =June 21, 1989

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G.-Oscar-Villeneuve Ecological Reserve is an ecological reserve of Quebec, Canada. It was established on June 21, 1989 [http://www.toponymie.gouv.qc.ca/CT/toposweb/fiche.aspx?no_seq=214664 Commission de Toponymie Québec] {{in lang|fr}} and is located near Saint-Fulgence and Sainte-Rose-du-Nord, north of the Saguenay River, to the northeast of the La Baie section of Saguenay.