Surname Khwandang (Khwandang 
) , across the world, is a very rare family name. The family name Khwandang is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khwandang | Thailand |
Tanasak, Kanokpit, Rangsima, Nathamon, and Duangkamon