Last name Norun (Norun 
) , around the world, is a rare surname. The surname Norun is habitual in Bangladesh, where it is a rare surname, Malaysia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Bangladesh, Malaysia, and India. Also, Norun is the forename as well as the last name.