Family name ลักษ์ (Lak 
, ลักษ์ 
, Lucks 
) , globally, is a common last name. The cognomen ลักษ์ is habitual in Algeria, where it is quite a common surname, Iraq, where it is quite a rare surname, and Morocco. Very seldom, ลักษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lak | Ethiopia, Algeria, Iraq, Morocco, Pakistan |
| ลักษ์ | Thailand |
| Lucks | Poland, France, India, United States, Germany |