Surname ติยรัตน์ (ติยรัตน์ 
) , globally, is an extremely rare family name. The surname ติยรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ติยรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ติยรัตน์ | Thailand |