Cognomen ريهانا (Rihana 
, Rihanna 
, Reihana 
) , in all the world, is a common last name. The surname ريهانا is habitual in New Zealand, where it is quite a rare surname, Morocco, and Ethiopia. In absolute terms, the name is most common in Ethiopia, India, and Morocco. Predominantly, ريهانا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rihana | Ethiopia, Indonesia, India, Morocco, Brazil |
| Rihanna | Malaysia, Indonesia, India, Democratic Republic of the Congo, Brazil |
| Reihana | Australia, Malaysia, Indonesia, India, New Zealand |
| ريهانا | Sudan |