Cognomen Sangyunon (Sangyunon 
) , in the world, is a very rare family name. The cognomen Sangyunon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sangyunon | Thailand |
Ao, Sasipim, Chanakan, Tanchanok, and Nunthaporn