Family name Hung-Yuan (Hung-Yuan 
) , in the world, is a very rare cognomen. The surname Hung-Yuan is characteristic of Cambodia, where it is a very rare surname, China, where it is an extremely rare surname, and the United States. More prevalently, Hung-Yuan is the forename as well as the last name. Parts of the name also exists independently as a last name Hung, and a last name Yuan.