Family name Raihanah (Raihanah 
) , worldwide, is quite a rare cognomen. The surname Raihanah is characteristic of South-eastern Asia, particularly Singapore, where it is a rare surname, Malaysia, and Indonesia. Also, Raihanah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raihanah | Indonesia, Malaysia, Philippines, Singapore, Pakistan |
| siti raihanah Indonesian politician (born in Tambilahan), ID |
|