St. Margareten im Rosental (Slovene: à  marjeta v Roà ¾u) is a town in the district of Klagenfurt-Land in the Austrian state of Carinthia.
The municipality lies in the southeast Rosental at the foot of the Hochobir. On the north, the Drau forms the municipal boundary, on the east the Freibach, and on the south and the west tributaries of the Karawank and the Inzegraben.
According to the 2001 census 11,8% of the population are Carinthian Slovenes.