Family name Thonglongya (Thonglongya 
) , worldwide, is a very rare surname. The family name Thonglongya is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thonglongya | Thailand |
Viwat, Kulasak, Varunee, Chattiwa, and Pharichart