Pehlavan bey Bayandur was the founder of the Aq Qoyunlu dynasty.
He was a son of Idris bey Bayandur. For the first time during his reign, Bayandur eli settled in Diyarbakir region. According to Kitab-i Diyarbakriyya, the Bayandur people captured the fortress of Alinja Tower during his reign and defeated several Mongol commanders. He was the father of Aladdin Turali Bey.
He died in 1340. After his death, his son Turali Bey succeeded him and remained in power until 1362.