Altentreptow (IPA: [altənˈtʁeːpto]) is a town in the Mecklenburgische Seenplatte Rural District, in Mecklenburg-Western Pomerania, Germany. Altentreptow is the chief town of the Treptower Tollensewinkel amt.
It is on the river Tollense, 15 kilometres (9.3 miles) north of Neubrandenburg and 45 kilometres (28.0 miles) south of Greifswald.