Surname Kuadkhan (Kuadkhan 
) , in the entire world, is a very rare family name. The family name Kuadkhan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuadkhan | Thailand |
Kritsada, Witthaya, Patcharee, and Natthanitcha