Surname ตรีทศายุธ (ตรีทศายุธ 
) , all over the world, is a very rare cognomen. The family name ตรีทศายุธ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ตรีทศายุธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตรีทศายุธ | Thailand |