In the entire world, Ciou (Ciou 
) is an extremely rare unknown gender first name. Likewise, Ciou is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ciou | China, Taiwan, United States, Australia |
| jing-hao ciou researcher (ORCID 0000-0003-2538-3514) |
|