The speaker of the ARMM Regional Legislative Assembly () was the presiding officer of the ARMM Regional Legislative Assembly, the devolved unicameral regional legislature of now-defunct Autonomous Region in Muslim Mindanao (ARMM) of the Philippines.
The position was established in 1990, with Ismael Abubakar Jr. as the first speaker of the Assembly. The last officeholder was Datu Roonie Sinsuat, serving from 2013 to 2019.
It was succeeded by the position of Speaker of the Bangsamoro Parliament upon the establishment of the Bangsamoro Autonomous Region in Muslim Mindanao in 2019, with Pangalian Balindong as the first speaker of the interim Parliament.
A speaker pro tempore was elected by the Assembly to assume the duties of the speaker in his or her absence.