Surname ตรีนาค (ตรีนาค 
) , in the world, is a very rare cognomen. The surname ตรีนาค is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ตรีนาค is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตรีนาค | Thailand |