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