Rivière du Sud may refer to:
Canada
edit- Rivière du Sud (Montmagny), a tributary of the south shore of the Saint Lawrence River in Montmagny Regional County Municipality, Chaudière-Appalaches, Quebec
- Rivière du Sud (Richelieu River tributary) in Le Haut-Richelieu Regional County Municipality, Montérégie, Quebec
- Rivière du Sud (La Sarre River tributary), in Abitibi-Ouest Regional County Municipality, Abitibi-Témiscamingue, Quebec