In the world, Deleva (Deleva 
, Делева 
) is a very rare mostly female, but infrequently male first name. The forename Deleva is habitual in Bulgaria, where it is a rare female name, and the United States, where it is an extremely rare gender-neutral name. Much more frequently, Deleva is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Deleva | Bulgaria, United States, Greece, North Macedonia, Argentina |
| Делева | Bulgaria, Kazakhstan, Belarus, Ukraine, Russia |