Surname Pathanawongthum (Pathanawongthum 
) , across the world, is a very rare family name. The last name Pathanawongthum is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pathanawongthum | Thailand |
Wichai, Nichapat, and Nongyaowadee