Surname ถิรพัฒน์ (Tirapat 
, ถิรพัฒน์ , Tiraphat ) , all over the world, is a rare family name. The family name ถิรพัฒน์ is habitual in Thailand, where it is a rare surname, and India, where it is an extremely rare surname. More prevalently, ถิรพัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tirapat | United States, United Kingdom, India, Thailand |
| ถิรพัฒน์, Tiraphat | Thailand |