Cognomen Tong-Ngork (Tong-Ngork 
) , globally, is an extremely rare last name. The family name Tong-Ngork is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Tong, and a last name Ngork.
| VARIANT | COUNTRY |
|---|---|
| Tong-Ngork | United States |