Cognomen จันทลักษณ์ (จันทลักษณ์ 
, Chantalak 
, Chandhaluk ) , globally, is a very rare family name. The family name จันทลักษณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, จันทลักษณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chandhaluk, จันทลักษณ์ | Thailand |
| Chantalak | United States, Thailand |
| Chantaluk | United Kingdom, Thailand |
Chantalakhana, Chantaluck, Chanthalak, Chanthaluck, Chanthaluk, and Jantalak