Övre Rudasjön (Swedish for "Upper Crucian carp Lake"), or Övre Rudan for short, is a lake in Haninge Municipality, 18 km (11 mi) south of central Stockholm, Sweden. Forming part of the Tyresån Lake System, its major inflow comes from lakes Nedre Rudasjön ("Lower Crucian carp Lake") and Trylen to the south, while its outflow passes over Dammträsk into Drevviken to the north. Compared to other lakes in the Tyresån Lake System, levels of phosphorus in the lake are moderate.