Last name Хиуюн (Xiuyun 
, Xiujun 
, Хиуюн 
) , in all the world, is a rare cognomen. The family name Хиуюн is characteristic of Singapore, where it is a very rare surname, Malaysia, and Georgia. Not in comparison with a country's population, it most frequently occurs in China, Malaysia, and Spain. Much more frequently, Хиуюн is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Xiuyun | China, Malaysia, Singapore, Taiwan, United States |
| Xiujun | China, Singapore, Taiwan, Thailand, United States |
| Хиуюн | Russia |
| Hiujun | Georgia, United States |