Sultan of Kedah (r. 1473–1506)
Paduka Sri Sultan Muhammad Jiwa Zainal Adilin Mu'adzam Shah I ibni al-Marhum Sultan Ataullah Muhammad Shah I (Jawi: ڤدوك سري سلطان محمد جيوا زين العابدين معظم شاه ١ ابن المرحوم سلطان عطاء الله محمد شاه ١; died 15 June 1506; also spelt Sultan Muhammad Jiwa Zain al-‘Adilan Mu’azzam Shah) was the ninth Sultan of Kedah. His reign was from 1473 to 1506 and was marked by land reform and the encouragement of the use of gold and silver for trading instead the barter system.