Last name Ronald Bernardo (Ronald Bernardo 
) , in all the world, is an extremely rare surname. The surname Ronald Bernardo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Ronald Bernardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ronald Bernardo | Peru, Bolivia, Ecuador, Chile, Costa Rica |