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