Last name Rudiar (Rudiar 
) , worldwide, is a very rare family name. The last name Rudiar is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname, Peru, and Venezuela. More prevalently, Rudiar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rudiar | Peru, Indonesia, Mexico, Ecuador, Colombia |