The Moselle Valley is a river valley following the Moselle river (French: Moselle, German: Mosel, Luxembourgish: Musel), which originates in the Vosges and joins the Rhine at Koblenz. The river and valley span across three different countries:
- Moselle Valley (Vallée de la Moselle) in France
- Moselle Valley (Museldall) in Luxembourg
- Moselle Valley (Moseltal) in Germany