Surname Ragio (Ragio 
) , in the entire world, is a rare last name. The surname Ragio is characteristic of Indonesia, where it is a very rare surname, Venezuela, and Brazil. Not in comparison with a country's population, it most frequently occurs in Indonesia, the United States, and Brazil. Likewise, Ragio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ragio | Brazil, United States, India, Indonesia, Democratic Republic of the Congo |