Last name Hassang (Hassang 
) , across the world, is a very rare surname. The surname Hassang is habitual in Panama, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Panama, India, and the United States. More frequently, Hassang is the forename as well as the last name.