Surname ทรนงค์ (ทรนงค์ 
) , around the globe, is a very rare cognomen. The surname ทรนงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ทรนงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทรนงค์ | Thailand |