Last name ชัก (Chak 
, ชัก 
) , in the entire world, is a common cognomen. The last name ชัก is characteristic of Hong Kong, where it is quite a common surname, Cayman Islands, and Macao. Measured by absolute frequency, the name is most common in India, Hong Kong, and Bangladesh. Also, ชัก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chak | Taiwan, China, India, Bangladesh, Hong Kong |
| ชัก | Thailand |