Last name ติรัตน์ (Tirat 
, ติรัตน์ ) , around the world, is a rare surname. The last name ติรัตน์ is habitual in France, where it is a rare surname, Thailand, and Indonesia, where it is a very rare surname. Likewise, ติรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tirat | Thailand, China, France, India, Indonesia |
| ติรัตน์ | Thailand |