Family name Niyaso (Niyaso 
) , around the globe, is a very rare cognomen. The last name Niyaso is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Niyaso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niyaso | India, Malaysia, Thailand |