Family name Rihya (Rihya 
) , all over the world, is an extremely rare last name. The last name Rihya is characteristic of Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname. More frequently, Rihya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rihya | Philippines, United States, Thailand, India, Argentina |