In all the world, Хиуюн (Xiuyun 
, Xiujun 
, Хиуюн 
) is quite a rare epicene first name. The given name Хиуюн is habitual in Taiwan, where it is quite a rare epicene name, Singapore, where it is a rare girly name, and Chile, where it is a very rare female name. In absolute terms, the name is most common in China, Taiwan, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Xiuyun | Taiwan, China, United States, Malaysia, Singapore |
| Xiujun | Taiwan, China, United States, Thailand, Singapore |
| Хиуюн | Russia |
| Hiujun | Georgia, United States |