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