Last name ติยะรัตน์ (ติยะรัตน์ 
) , in the world, is a very rare family name. The surname ติยะรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ติยะรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ติยะรัตน์ | Thailand |