Worldwide, Chianu (Chianu 
) is a rare unisex first name. The first name Chianu is characteristic of Nigeria, where it is a rare epicene name, and India, where it is an extremely rare unisex name. Also, Chianu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Chianu | Poland, France, India, Nigeria, Czechia |