Family name Ronaldys (Ronaldys 
) , worldwide, is an extremely rare last name. The family name Ronaldys is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Honduras. More prevalently, Ronaldys is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronaldys | Brazil, United States, Venezuela, Colombia, Honduras |