Cognomen Dielli (Dielli 
) , in the entire world, is a very rare last name. The surname Dielli is habitual in Albania, where it is quite a rare surname, Switzerland, where it is a rare surname, and Argentina, where it is a very rare surname. Likewise, Dielli is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dielli | Brazil, Albania, Argentina, Switzerland, United States |