Surname Chanthuk (จันทึก 
, Chanthuk ) , throughout the world, is a rare last name. The last name Chanthuk is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Chanthuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันทึก, Chanthuk | Thailand |