Mont-Saint-Aubert is a village of Wallonia and a district of the municipality of Tournai, located in the province of Hainaut, Belgium.
The village lies at the north side of Tournai.
Aubertianella, a genus of fossil ciliates,[1] found in Eocene beds of Mont de la Trinité near Mont-Saint-Aubert, has received its name after the village.[2]