默讷河是德国的河流，位于北莱茵－威斯特法伦，属于鲁尔河的右支流，河道全长65公里，流域面积469平方公里，流经布里隆、吕滕和瓦尔斯泰因。

The Möhne is a small-size river in western Germany (North Rhine-Westphalia), right tributary of the Ruhr. The Möhne passes the towns of Brilon, Rüthen, Warstein. There is large articifical lake near the mouth of the river, the Möhne Reservoir, used for hydro power generation and leisure activities.