Last name Novillo Romero (Novillo Romero 
) , worldwide, is a very rare cognomen. The family name Novillo Romero is habitual in Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Novillo Romero | Spain, Ecuador |
Monica, Susana, Alba Gema, and Sonnia Elizabeth