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 | Indonesia, Morocco, India, Brazil, Ethiopia |
| Rihanna | Indonesia, Democratic Republic of the Congo, India, Brazil, Malaysia |
| Reihana | Indonesia, Australia, India, New Zealand, Malaysia |
| ريهانا | Sudan |