Cognomen Nyaso (Nyaso 
) , around the globe, is a very rare surname. The last name Nyaso is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. More prevalently, Nyaso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nyaso | Tanzania, India, Nigeria, South Africa |