Cognomen Nattapongchai (Nattapongchai 
) , in the entire world, is an extremely rare last name. Much more prevalently, Nattapongchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nattapongchai | Thailand |
Petpang, Petpeng, and Karnchanaopas