Surname Khammasing (Khammasing 
) , in the world, is a very rare family name. The last name Khammasing is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Khammasing is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khammasing | India, Thailand |