Cognomen Yainon (Yainon 
) , in all the world, is a very rare family name. The surname Yainon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia. Very seldom, Yainon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yainon | Malaysia, India, Thailand |