Family name ফজলুল (Fazlul 
, ফজলুল ) , in the world, is quite a rare surname. The cognomen ফজলুল is characteristic of Sri Lanka, where it is quite a rare surname, Bahrain, and Oman. In absolute terms, it most frequently occurs in Bangladesh, Sri Lanka, and Saudi Arabia. More frequently, ফজলুল is the forename as well as the last name.