Last name ชูลักษณ์ (ชูลักษณ์ 
, Chulak 
) , globally, is a rare cognomen. The surname ชูลักษณ์ is habitual in Uruguay, where it is a rare surname, Hungary, and Thailand. Not in comparison with a country's population, it is commonest in Thailand, the United States, and Argentina. Much less frequently, ชูลักษณ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชูลักษณ์ | Thailand |
| Chulak | Hungary, United States, Thailand, Chile, Argentina |