Bielsk
# Bielsk

Bielsk may refer to:

* Bielsk, Kuyavian-Pomeranian Voivodeship (north-central Poland)
* Bielsk, Masovian Voivodeship (east-central Poland)
* Bielsk Podlaski in Podlaskie Voivodeship (north-east Poland)
* Bielsk, Pomeranian Voivodeship (north Poland)
* Bielsk County, an administrative district whose seat is Bielsk Podlaski
* Gmina Bielsk Podlaski, an administrative district within Bielsk County
* Gmina Bielsk, an administrative district whose seat is Bielsk, Masovian Voivodeship
