Ka'us III (Persian: کاووس), was the fourth ruler of the Paduspanid branch of Kojur.
He was the son and successor of Ashraf ibn Taj al-Dawla.
During his reign, relations with the Kia'id Khan Ahmad Khan flourished, and by 1514 family ties were between the Paduspanids and Kia'ids.
Nine years later, Ka'us, along with the Marashiyan ruler visited the court of the Safavid king Ismail I.
This biography of an Iranian ruler or member of a royal family is a stub.