Family name Klangkham (Klangkham 
) , in all the world, is a very rare last name. The surname Klangkham is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Klangkham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klangkham | Thailand |
Anan, Darika, Wannida, Suttalinee, and Sorrayuth