Family name Khongka (Khongka 
) , in all the world, is a very rare last name. The cognomen Khongka is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Cambodia. Also, Khongka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khongka | India, Cambodia, Thailand |