Surname Ocaña Riofrio (Ocaña Riofrio 
) , in the world, is a very rare last name. The last name Ocaña Riofrio is habitual in Bahrain, where it is a rare surname, and Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ocaña Riofrio | Bahrain, Ecuador |