Muhammad Asadullah Al-Ghalib (Arabic Bengali: ড. মুহাম্মাদ আসাদুল্লাহ আল-গালিব; born 15 January 1948) is a Bangladeshi reformist Islamic scholar and former professor of Arabic at the University of Rajshahi. He is the leader of a puritan Islamic movement Ahl-i Hadith Andalon Bangladesh (AHAB). He is also the founder of an Islamic research journal, Monthly At-tahreek.

On 23 February 2005, the Bangladesh government arrested him following allegations of Islamic militancy. He was further alleged to have received funding from the Society of the Revival of Islamic Heritage. However, he denied any involvement with Islamic militancy and was freed from jail on 28 August 2008. He was eventually acquitted of all charges.