Last name كجك (Küçük 
, Kujuk 
, كجك 
) , around the world, is a widespread cognomen. The cognomen كجك is characteristic of Turkey, where it is a common surname, Cyprus, where it is quite a rare surname, and Sudan. Measured by absolute frequency, it is commonest in Turkey, Sudan, and Azerbaijan. Very seldom, كجك is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Küçük | Turkey, Azerbaijan, China, Algeria, Iraq |
| Kujuk | Saudi Arabia, India, Malaysia |
| كجك | Sudan, Syria, Egypt, Lebanon, Iraq |
| محمود كجك Lebanese footballer, LB (b. 1991) |
|