Family name Wangphithak (Wangphithak 
) , worldwide, is a very rare last name. The cognomen Wangphithak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wangphithak | Thailand |
Sarayut, Jakkrit, Pattawee, and Prathumrat