Surname กาก (Kak 
, Khum , កាក 
) , across the world, is a common cognomen. The cognomen กาก is habitual in Lebanon, where it is quite a rare surname, Malaysia, and Morocco. In absolute terms, the name is most common in India, Malaysia, and Myanmar. Likewise, กาก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kak, Khum | India, Thailand, Malaysia, Indonesia, Myanmar |
| កាក | Cambodia |
| กาก | Thailand |