Surname ตรียุทธ์ (ตรียุทธ์ 
) , all around the world, is a very rare cognomen. The surname ตรียุทธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ตรียุทธ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตรียุทธ์ | Thailand |