Surname Onyas (Onyas 
) , all over the world, is a rare family name. The family name Onyas is habitual in Uganda, where it is a rare surname, Indonesia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Very seldom, Onyas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onyas | Indonesia, Philippines, Uganda, India, Brazil |