Surname Khamlong (Khamlong 
) , around the world, is a very rare cognomen. The cognomen Khamlong is characteristic of Thailand, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Also, Khamlong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamlong | Canada, India, United States, Thailand |