Bolesław of Oleśnica

Bolesław
Duke of Oleśnica, Namysłów, Gniezno and Kalisz
Coat-of-arms of Silesia
Bornc.1295
Diedbefore 23 April 1321
Noble familySilesian Piasts of Głogów
FatherHenry III, Duke of Silesia-Glogau
MotherMatilda of Brunswick-Lüneburg

Bolesław of Oleśnica (Polish: Bolesław oleśnicki; c.1295 – before 23 April 1321), was a Duke of Żagań, Ścinawa, etc., during 1309–1312 (with his brothers as co-rulers), Duke of Oleśnica, Namysłów, Gniezno and Kalisz during 1312–1313 (with his brother as co-ruler), Duke of Gniezno during 1313–1314 (alone) and sole Duke of Oleśnica from 1313 to his death.

He was the third son of Henry III (I), Duke of Głogów, by his wife Matilda, daughter of Albert I, Duke of Brunswick-Lüneburg.