Yassin Abdullah Kadi (also transliterated from Arabic as Yasin Abdullah Ezzedine al-Qadi or Yasin A. Kahdi) (born 23 February 1955) is a Saudi Arabian businessman. A multi-millionaire from Jeddah, Kadi trained as an architect in Chicago, Illinois. He is the son-in-law of Sheikh Ahmed Salah Jamjoom, a former Saudi Arabian government minister with close ties to the Saudi royal family.