In the entire world, Онян (Онян 
, Onyan 
, Onian 
) is a rare unisex first name. The first name Онян is habitual in Nigeria, where it is a very rare epicene name, and India, where it is an extremely rare female name. Also, Онян is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Онян | Russia, Armenia |
| Onyan | United States, India, Nigeria, Philippines |
| Onian | United Kingdom, Spain, Georgia, India, France |