Last name ธนเจตน์ (ธนเจตน์ 
, Tanajet 
) , across the world, is a very rare cognomen. The surname ธนเจตน์ is characteristic of Eastern Europe, particularly Romania, where it is a rare surname. Likewise, ธนเจตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธนเจตน์ | Thailand |
| Tanajet | Spain, India, Romania, Thailand |