Boleslav or Bolesław may refer to:
In people:
In geography:
- Bolesław, Dąbrowa County, Lesser Poland Voivodeship, Poland
- Bolesław, Olkusz County, Lesser Poland Voivodeship, Poland
- Bolesław, Silesian Voivodeship, Poland
- Brandýs nad Labem-Stará Boleslav, Czech Republic
- Mladá Boleslav, Czech Republic