Cognomen Nopkanok (Nopkanok 
) , in the world, is an extremely rare surname. The family name Nopkanok is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Nopkanok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nopkanok | Thailand |
Nednoi, Kiatkeeree, and Auengsawat