Ostrowiec

Ostrowiec may refer to several places:


 * Ostrowiec, Grodno Region, a town in Western Belarus
 * Ostrowiec District, administrative region in Western Belarus
 * Ostrowiec Świętokrzyski, a town and county seat in south-central Poland
 * Ostrowiec County, in Świętokrzyskie Voivodeship, south-central Poland
 * Ostrowiec, Łódź Voivodeship (central Poland)
 * Ostrowiec, Lubusz Voivodeship (west Poland)
 * Ostrowiec, Sokołów County in Masovian Voivodeship (east-central Poland)
 * Ostrowiec, Myślibórz County in West Pomeranian Voivodeship (north-west Poland)
 * Ostrowiec, Sławno County in West Pomeranian Voivodeship (north-west Poland)
 * Ostrowiec, Wałcz County in West Pomeranian Voivodeship (north-west Poland)

Ostrówiec may refer to several places:
 * Ostrówiec, Greater Poland Voivodeship (west-central Poland)
 * Ostrówiec, Masovian Voivodeship (east-central Poland)