Donji Kosinj is a village in Kosinj, Croatia. The population is 494 (2011 census).
Ivan Mance: Kosinj izvorište hrvatske tiskane riječi, Split, 2013.
Coordinates: 44°45′26″N 15°15′24″E / 44.7573°N 15.2567°E / 44.7573; 15.2567