Family name Oviedo Murillo (Oviedo Murillo 
) , in the world, is a very rare surname. The cognomen Oviedo Murillo is habitual in Ecuador, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Oviedo Murillo | Spain, Ecuador |
Katherine, and Mercy Yolanda