Last name Ванян (Ванян 
, Vanjan 
, Vanyan 
) , worldwide, is quite a rare surname. The family name Ванян is habitual in Armenia, where it is quite a rare surname, Russia, and Ukraine, where it is a rare surname. Likewise, Ванян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ванян | Russia, Belarus, Kazakhstan, Ukraine, Armenia |
| Vanjan | Thailand, Philippines, United States, India, Bangladesh |
| Vanyan | Russia, Romania, Armenia, India, Bangladesh |