Last name Rios Grajales (Rios Grajales 
) , in the world, is a very rare family name. The family name Rios Grajales is habitual in Colombia, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rios Grajales | Spain, Colombia |
Juan, Veronica, Lina Maria, and Jhon Jaiver