Cognomen Delia-Maria (Delia-Maria 
) , worldwide, is a very rare surname. The last name Delia-Maria is characteristic of Eastern Europe, particularly Romania, where it is a rare surname. Likewise, Delia-Maria is the forename as well as the last name. Parts of the name also exists independently as a first name Delia, and a first name Maria.
| VARIANT | COUNTRY |
|---|---|
| Delia-Maria | Romania |