Throughout the world, Riyah (Riyah 
) is quite a rare dominantly female, but seldom boy's first name. The first name Riyah is habitual in Israel, where it is a rare female name, United Arab Emirates, and Indonesia, where it is a rare dominantly girly, but uncommonly masculine name. Measured by absolute frequency, it is the most numerous in Indonesia, Philippines, and Algeria. Likewise, Riyah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Riyah | Taiwan, Philippines, Morocco, Indonesia, Algeria |