Family name Cerna Romero (Cerna Romero 
) , in all the world, is a very rare last name. The family name Cerna Romero is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, Chile, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cerna Romero | Peru, Ecuador, Chile |