John I of Opava (also known as John of Fulnek, , , ; â 1454) was a member of the Opava branch of the Bohemian Pà Âemyslid dynasty. He was co-ruler of Opava and Gà Âubczyce from his father's death (between 1445 and 1447) and his own death. He was also Lord of Fulnek.
His parents were Duke Wenceslaus II of Opava and Gà Âubczyce and Elisabeth of Kravaà Â.
After his father's death (between 1445 and 1447) John I and his younger brother John II "the Pious" jointly inherited the Duchy of GÃ Âubczyce and one third of the Duchy of Opava.
John I died unmarried and childless in 1454. His brother inherited his possessions.