Osiek

Osiek may refer to:


 * Osiek, Świętokrzyskie Voivodeship, a town in south-central Poland
 * Osiek, Oświęcim County in Lesser Poland Voivodeship (south Poland)
 * Osiek, Lubin County in Lower Silesian Voivodeship (south-west Poland)
 * Osiek, Oława County in Lower Silesian Voivodeship (south-west Poland)
 * Osiek, Środa Śląska County in Lower Silesian Voivodeship (south-west Poland)
 * Osiek, Trzebnica County in Lower Silesian Voivodeship (south-west Poland)
 * Osiek, Brodnica County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
 * Osiek, Gmina Koronowo in Kuyavian-Pomeranian Voivodeship (north-central Poland)
 * Osiek, Toruń County in Kuyavian-Pomeranian Voivodeship (north-central Poland)
 * Osiek, Łowicz County in Łódź Voivodeship (central Poland)
 * Osiek, Wieruszów County in Łódź Voivodeship (central Poland)
 * Osiek, Olkusz County in Lesser Poland Voivodeship (south Poland)
 * Osiek, Płock County in Masovian Voivodeship (east-central Poland)
 * Osiek, Gmina Czerwińsk nad Wisłą in Masovian Voivodeship (east-central Poland)
 * Osiek, Gmina Joniec in Masovian Voivodeship (east-central Poland)
 * Osiek, Gmina Mochowo in Masovian Voivodeship (east-central Poland)
 * Osiek, Gmina Zawidz in Masovian Voivodeship (east-central Poland)
 * Osiek, Jarocin County in Greater Poland Voivodeship (west-central Poland)
 * Osiek, Kościan County in Greater Poland Voivodeship (west-central Poland)
 * Osiek, Ostrów Wielkopolski County in Greater Poland Voivodeship (west-central Poland)
 * Osiek, Rawicz County in Greater Poland Voivodeship (west-central Poland)
 * Osiek, Silesian Voivodeship (south Poland)
 * Osiek, Strzelce-Drezdenko County in Lubusz Voivodeship (west Poland)
 * Osiek, Żary County in Lubusz Voivodeship (west Poland)
 * Osiek, Opole Voivodeship (south-west Poland)
 * Osiek, Starogard County in Pomeranian Voivodeship (north Poland)
 * Osiek, Wejherowo County in Pomeranian Voivodeship (north Poland)
 * Osiek, Warmian-Masurian Voivodeship (north Poland)