Family name Wangnithitham (Wangnithitham 
) , worldwide, is a very rare surname. The last name Wangnithitham is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wangnithitham | Thailand |
Ekkorn, Chainonkit, Phanicha, and Phassasi