The Palluau Lake is a freshwater body of the Lac-Ashuapmushuan, Quebec unorganized territory in the Regional County Municipality (RCM) Le Domaine-du-Roy, north-west of Saguenay-Lac-Saint-Jean administrative region, in province of Quebec, in Canada.

The Palluau Lake is located on the west side outside the boundary of the Ashuapmushuan Wildlife Reserve.

The forest road R0212 (East-West) passes the north side of Lake Palluau.

Other secondary forest roads serve the southern vicinity of the lake.

The surface of Lac Palluau is usually frozen from early November to mid-May, however, safe ice circulation is generally from mid-November to mid-April.