Cognomen ข่อง (Khong 
, ข่อง) , all over the world, is a common family name. The last name ข่อง is characteristic of Malaysia, where it is quite a common surname, Singapore, and Macao, where it is quite a rare surname. In absolute terms, this name is the most popular in South-eastern Asia, particularly Malaysia, Vietnam, and Indonesia. Very seldom, ข่อง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khong | Malaysia, Indonesia, Vietnam, United States, Singapore |