| Muhammad Jiwa Zainal Adilin Mu'adzam Shah I Malay: {{Script|Arab|محمد جيوا زين العابدين معظم شاه ١ | |
| Sultan of Kedah | |
| Reign: | 1473 - 1506 |
| Predecessor: | Ataullah Muhammad Shah I |
| Successor: | Mahmud Shah II |
| Spouse: | Tunku Mariam |
| Issue: | Sultan Mahmud Shah II Tunku Kutam |
| House: | Kedah |
| Father: | Sultan Ataullah Muhammad Shah I |
| Mother: | Che' Puan Paduka Bonda |
| Death Date: | 15 June 1506 |
| Death Place: | Istana Baginda, Kota Siputih |
| Place Of Burial: | Kota Siputih Royal Cemetery |
| Religion: | Sunni Islam |
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.