Family name Gvardiol (Gvardiol 
) , worldwide, is a very rare last name. The cognomen Gvardiol is habitual in Croatia, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gvardiol | Germany, Croatia |
|
joško gvardiol Croatian football player, HR |
|
| zelimir gvardiol (b. 1957) |
|
|
| mila gvardiol |
|