Family name Dilia Olivia (Dilia Olivia 
) , across the world, is an extremely rare last name. The cognomen Dilia Olivia is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Dilia Olivia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dilia Olivia | Chile, Ecuador |