Cognomen イロナ (Ilona 
, Staller 
, Zrínyi 
) , worldwide, is a common family name. The last name イロナ is habitual in Poland, where it is a common surname, Georgia, where it is quite a common surname, and Hungary (explore the name in all countries). More frequently, イロナ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilona | Czechia, Germany, United States, Hungary, Poland |
| Staller | Germany, Spain, Hungary, United States, Austria |
| Zrínyi | Romania, Croatia, Hungary |