Last name Гиулио (Giulio 
, Гиулио 
) , worldwide, is quite a rare cognomen. The last name Гиулио is characteristic of Italy, where it is quite a rare surname, Luxembourg, and Switzerland, where it is a rare surname. In absolute terms, it most frequently occurs in Italy, the United States, and Brazil. Much more frequently, Гиулио is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Giulio | Germany, Italy, United States, Afghanistan, Brazil |
| Гиулио | Russia |