Family name Niwang (Niwang 
) , in the entire world, is a very rare last name. The last name Niwang is habitual in South-eastern Asia, particularly Philippines, where it is a very rare surname, Indonesia, and Thailand, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Indonesia, Philippines, and India. Also, Niwang is the forename as well as the last name.