Malchiner See is a lake between the Mecklenburgische Seenplatte and Rostock (district) districts in Mecklenburg-Vorpommern, Germany. At an elevation of 0.8 m, its surface area is 13.95 km<sup>2</sup>. It is connected to Lake Kummerow by the Peene and Dahme rivers. It is part of the Mecklenburg Switzerland and Lake Kummerow Nature Park.