Salman Khan Ustajlu () was a Turkoman military leader from the Ustajlu tribe, who became a powerful and rich figure during his service in Safavid Iran. He briefly served as the grand vizier of the Safavid king (shah) Abbas I (r. 1588âÂÂ1629) from 1621 until his death in 1623/24. He was succeeded by Khalifeh Soltan.