All around the world, ตรีจักร (ตรีจักร 
) is a very rare masculine forename. The first name ตรีจักร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Likewise, ตรีจักร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ตรีจักร | Thailand |