Cognomen Kunnathum (Kunnathum 
) , around the world, is a very rare family name. The last name Kunnathum is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kunnathum | Thailand |
Alongon, Buthsara, Panupong, Juthamat, and Paphawarin