Surname Kalasang (Kalasang 
) , in all the world, is a rare last name. The surname Kalasang is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Thailand, Malaysia, and India. Likewise, Kalasang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalasang | India, United States, Malaysia, Thailand |