Sulaiman Shah I of Kedah

Paduka Sri Sultan Sulaiman Shah I ibni al-Marhum Sultan Ibrahim Shah (Jawi: ڤدوك سري سلطان سليمان شاه ١ ابن المرحوم سلطان إبراهيم شاه; died 2 August 1423) was the seventh Sultan of Kedah and reigned from 1373 to 1423. During his reign Kedah was invaded by the Samudera Pasai Sultanate, which conquered a few cities in Kedah.