Cognomen Yingyoch (Yingyoch 
) , all over the world, is a very rare family name. The family name Yingyoch is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yingyoch | Thailand |
Werakorn, Werakron, Praditnoot, and Pattaravadee