Cognomen ริญญา (Rinya 
, ริญญา ) , in all the world, is quite a common last name. The surname ริญญา is characteristic of Japan, where it is quite a rare surname, Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Japan, India, and Thailand. Much less frequently, ริญญา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rinya | Morocco, Thailand, Malaysia, India, Japan |
| ริญญา | Thailand |