Family name Allegranzini (Allegranzini 
) , around the world, is a very rare cognomen. The family name Allegranzini is characteristic of Italy, where it is a very rare surname, and France, where it is an extremely rare surname. Also, Allegranzini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Allegranzini | Italy, France |