Treaty of Prenzlau or Peace of Prenzlau (German: Vertrag von Prenzlau, Frieden vo Prenzlau, Vergleich von Prenzlau) may refer to several treaties during a series of wars between the Margraviate of Brandenburg and the Duchy of Pomerania fought for control of Pomerania-Stettin, and possession of the Uckermark in the 15th century. The First Peace of Prenzlau ended a war fought between 1445 and 1448, while the Second Peace of Prenzlau ended a war fought between 1466 and 1468. In older documents, Prenzlau may be spelled Prenzlow, which was the common spelling during the time period the treaties were drawn and was only changed during the 19th century. Prenzlau is situated in the center of Uckermark.