The Sorpe Dam (German:Sorpetalsperre) is a dam on the Sorpe (Röhr) river, near the small town of Sundern in the German district of Hochsauerland in North Rhine-Westphalia.

Like the Biggesee, the Möhne Reservoir, and the Verse reservoir, the Sorpe Reservoir is one of the major artificial lakes of the Sauerland's Ruhrverband reservoir association. Besides serving as a water supply, it is utilized for electricity generation and as a leisure and recreation area.