Across the world, Йордана (Йордана 
, Jordana 
, Iordana 
) is a common female forename. The first name Йордана is characteristic of Bulgaria, where it is a widespread female name, Greece, where it is quite a rare female name, and Brazil. Measured by absolute frequency, it is the most numerous in Bulgaria, Brazil, and the United States. Very seldom, Йордана is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Йордана | Ukraine, Russia, Bulgaria |
| Jordana | Spain, Democratic Republic of the Congo, Brazil, United States, Argentina |
| Iordana | Bulgaria, Greece, Brazil, United States, Argentina |