Cognomen Rodolfo Diego (Rodolfo Diego 
) , throughout the world, is an extremely rare last name. The cognomen Rodolfo Diego is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Rodolfo Diego is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rodolfo Diego | Argentina, Chile, Peru, Ecuador, Italy |