Sayyid Muhammad ibn Ali al-Idrisi (1876–1924) (Arabic: محمد بن علي الإدريسي) was the founder and first ruler of the Idrisid Emirate of Asir.

He was the grandson of Sayyid Ahmad ibn Idris al-Fasi, a Moroccan scholar from Fez, who was head of a religious fraternity (tariqa) at Mecca.

On his return to Asir, his one ambition was to render the district independent of the Ottoman Empire.

in March of 1909, Tribes near south Bayt al-Faqih rose in a small rebellion against Ottoman garrisons.

soldiers loyal to al-Idrisi assisted an uprising instigated by tribes living east of Al Luḩayyah, From there, they occupied Qawanis and al-Zaydiyya.