Khan Bahadur Ahsanullah (1873–1965) was an eminent educationist, litterateur, Islamic theological scholar and social worker. He completed his MA in Philosophy from Presidency College, Kolkata in 1895. He was the first Muslim Headmaster of Rajshahi Collegiate School. He was the first person amongst the Hindus and Muslims of undivided Bengal to join the Indian Education Service (IES). He was also a Senator of the University of Calcutta. He was especially active in the movement to establish the University of Dhaka.
Among his notable books are: