Jan I of Opole

Jan I
Duke of Opole
Coat of arms of Upper Silesia (Opole, Strzelce, etc)
Born1410/13
Died5 September 1439
Noble familySilesian Piasts of Strzelce
FatherBolko IV of Opole
MotherMargareta of Görz

Jan I of Opole (Polish: Jan I Opolski) (1410/13 – 5 September 1439) was a Duke of Opole since 1437 (with his brother as co-ruler).

He was the second son of Duke Bolko IV of Opole by his wife Margareta, possibly member of the House of Görz.