John II of Jerusalem was the eldest son of Hugh III de Poitiers, king of Cyprus and Isabella of Ibelin.
He succeeded his father as King of Cyprus (as John I) on March 24 and was crowned at Santa Sophia, Nicosia on May 11, 1284.
His succession as King of Jerusalem was opposed by Charles of Anjou, who had also disrupted his father"s succession. John died the following year on 20 May, having never married and leaving no children. He was buried in the church of Saint Demetrius or according to some Santa Sophia, in Nicosia.