Family name Wongjariyawat (Wongjariyawat 
) , across the world, is a very rare cognomen. The cognomen Wongjariyawat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongjariyawat | Thailand |
Parinsiri, Ruchipat, and Thanatchan