Family name แจ๊ค (Chaek 
, แจ๊ค) , in the world, is a very rare surname. The last name แจ๊ค is habitual in Indonesia, where it is a very rare surname, Brazil, and the United States, where it is an extremely rare surname. In absolute terms, this name is the most popular in Indonesia, Brazil, and India. Also, แจ๊ค is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaek | Thailand, Brazil, United States, India, Indonesia |