Family name Tsonyu (Цоню 
, Tsonyu 
) , in the world, is quite a rare surname. The family name Tsonyu is habitual in Bulgaria, where it is quite a common surname, and Spain, where it is a very rare surname. Likewise, Tsonyu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Цоню | Bulgaria |
| Tsonyu | India, Spain |