Osobłoga (Czech: Osoblaha, German: Hotzenplotz or Austrian German: Ossa) is a river of the Czech Republic and Poland. The river originates as Petrovický potok (German: Petersbach).
Coordinates: 50°28′33″N 17°58′15″E / 50.47583°N 17.97083°E / 50.47583; 17.97083