Aron was an 11th-century Polish prelate who served as the first abbot of the Benedictine monastery in Tyniec. Following his leadership at the monastery, he became the Bishop of Kraków in 1046, a position he held until his death in 1059. He was a prominent supporter of Duke Casimir the Restorer and played a significant role in organizing the Church in Kraków during a period of reconstruction. He is recognized as a blessed in the Catholic Church.