Last name Kak (Kak 
, Coc , كاك 
) , worldwide, is a common cognomen. The cognomen Kak is characteristic of Guatemala, where it is quite a common surname, Belize, and Lebanon, where it is quite a rare surname. In absolute terms, it is commonest in Guatemala, India, and Indonesia. Also, Kak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Coc, Kak | India, Morocco, Indonesia, Guatemala, Myanmar |
| كاك | Morocco, Algeria, Iraq, Egypt, Sudan |
| กาก | Thailand |
| mieczysław kak PL (b. 1928) |
|
|
| shakti kak (b. 1950) |
|
|
| neeraj kak (b. 1954) |
|
|
| ata kak GH (b. 1960) |
|
|
| kapil kak Indian Air Force air marshal |
|
|
| amba kak Indian researcher, IN |
|
|
| manju kak Indian writer |
|
|
| a. majeed kak botanist |
|
|
| khemendra kak |
|
|
| kartikeya kak Indian cricketer (b. 1996) |
|