Cognomen Apinuntanaphong (Apinuntanaphong 
) , in the entire world, is a very rare family name. The last name Apinuntanaphong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Apinuntanaphong | Thailand |
Somjai, Kontorn, Kitiphob, Kittiyaporn, and Kiattichai