Last name Moang (Moang 
) , throughout the world, is a rare surname. The last name Moang is characteristic of Papua New Guinea, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Papua New Guinea, Malaysia, and the United States. Much less frequently, Moang is the forename as well as the last name.