Surname Dionizi (Dionizi 
) , globally, is quite a rare family name. The last name Dionizi is characteristic of Tanzania, where it is quite a rare surname, Croatia, where it is a very rare surname, and Italy, where it is an extremely rare surname. Likewise, Dionizi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dionizi | Italy, Croatia, Tanzania, India, Brazil |