Worldwide, Xiiao (Xiiao 
) is a rare gender-neutral forename. The forename Xiiao is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare epicene name, Singapore, and Indonesia, where it is a very rare unisex name. Very seldom, Xiiao is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Xiiao | Indonesia, Malaysia, Singapore, Taiwan, Myanmar |