Cognomen Rejhana (ريحانة 
, Rejhana 
, Рейхана 
) , in the world, is quite a common last name. The surname Rejhana is habitual in Azerbaijan, where it is quite a rare surname, Iraq, and Algeria. In absolute terms, this name is the most popular in Iraq, Algeria, and Morocco. More frequently, Rejhana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ريحانة | Algeria, Iraq, Syria, Morocco, Egypt |
| Rejhana | Croatia, Albania, Azerbaijan, Bosnia and Herzegovina, Italy |
| Рейхана | Russia, Ukraine, Kazakhstan, Kyrgyzstan |
| ریحانہ | Egypt |