Family name Supang (ศุภางค์ 
, สุภางค์ , Supang 
) , worldwide, is quite a rare last name. The last name Supang is characteristic of Botswana, where it is quite a common surname, Philippines, where it is a rare surname, and Malaysia. In absolute terms, it most frequently occurs in Philippines, Botswana, and Indonesia. More frequently, Supang is the forename as well as the last name.