Family name ตรัยสุรวณิช (ตรัยสุรวณิช 
) , throughout the world, is a very rare surname. The family name ตรัยสุรวณิช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ตรัยสุรวณิช | Thailand |