Gösselsdorfer See (Slovene: Goslinsko jezero) is a lake of Carinthia, Austria.

Gösseldorfer See
Southeastern shore
Gösseldorfer See is located in Kärnten
Gösseldorfer See
Gösseldorfer See
LocationCarinthia
Coordinates46°34′N 14°37′E / 46.567°N 14.617°E / 46.567; 14.617
Primary outflowsto Drava River
Catchment area28.81 km2 (11.12 sq mi)
Basin countriesAustria
Max. length469 m (1,539 ft)
Surface area32 ha (0.12 sq mi)
Average depth1.9 m (6.2 ft)
Max. depth3 m (9.8 ft)
Water volume608,000 m3 (493 acre⋅ft)
Surface elevation469 m (1,539 ft)

The largely silted up lake is located between the municipalities of Eberndorf and Sittersdorf. It is characterised by extensive reed banks and adjacent wetlands. The waters are part of a larger protected landscape area.